Is there a special method to calculate fast in your head?

Is there a special method to calculate fast in your head?
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1 Answer

Answer :

I pretend like I’m writing the formula down on a piece of paper in my head.
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Related questions

What's your method of calculating fast in your head instead of using a calculator/paper & pen?

Description : What's your method of calculating fast in your head instead of using a calculator/paper & pen?

Last Answer : Trying to break it down and find a part of the number I can calculate easily, then adding that to the rest of it. (Did that make sense?) Like if I want to multiply 24×8 I’ll do 8×20 + 8×4.

How to calculate a percentage with ambiguous numbers?

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Where can I learn all of the special math functions on my Graphics calculator?

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If I have a 77% as my current grade and get a 54/54 on my Chapter test what is my current percentage in my class?

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Last Answer : answer:Not enough information. We don't know how the teacher calculates grades (straight line or a curve?). We also don't know how many other tests and assignments make up the 77%. So it's ... tell how this will affect your grade without knowing more about how they are figured in the first place.

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If a net force of 0.2 N is applied in step c use the space below to calculate how fast the yo-yo accelerates?

Description : If a net force of 0.2 N is applied in step c use the space below to calculate how fast the yo-yo accelerates?

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How would you calculate in your head the decimal value of 93/95 rounded to two decimal places?

Description : How would you calculate in your head the decimal value of 93/95 rounded to two decimal places?

Last Answer : answer:I did long division. Got it a bit wrong as I got to 0.94 but my calculator says 0.98 I don’t get the next bit of your description

What are some fast ways to solve a system of 3 linear equations with this special form?

Description : What are some fast ways to solve a system of 3 linear equations with this special form?

Last Answer : Perhaps an algebraic matrix ?

Is it unreasonable to expect special food for vegetarians at fast food restaurants?

Description : Is it unreasonable to expect special food for vegetarians at fast food restaurants?

Last Answer : well one would expect them to strive for increased revenue. since vegetarians are a potential (and sizeable) customer group, one would expect them to offer vegetarian food in accordance with their greed.

What sheep breed has the special qualities of being a sire breed and having a fast growth rate?

Description : What sheep breed has the special qualities of being a sire breed and having a fast growth rate?

Last Answer : a. Hampshire

Is there a method to calculate how much a 20 kg weight weighs, when lifted by me, aged 54, compared to lifted by me, aged 22?

Description : Is there a method to calculate how much a 20 kg weight weighs, when lifted by me, aged 54, compared to lifted by me, aged 22?

Last Answer : No. The difference is not about your age, but about your body and mind at each point. There might be a weightlifter who has some standard or even some measure for how hard something feels to lift for ... a record or accurate memory of what weight felt what way to lift at some point in the past.

Fill in the blank with appropriate numpy method to calculate and print the variance of an array. -Technology

Description : Fill in the blank with appropriate numpy method to calculate and print the variance of an array. -Technology

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Absorption factor method is used to calculate the number of ideal stages, when (A) Operating line lies above the equilibrium line (B) Operating line lies below the equilibrium line (C) Both operating and equilibrium lines are parallel (D) Pressure drop in the column is very high

Description : Absorption factor method is used to calculate the number of ideal stages, when (A) Operating line lies above the equilibrium line (B) Operating line lies below the equilibrium line (C) Both operating and equilibrium lines are parallel (D) Pressure drop in the column is very high

Last Answer : (C) Both operating and equilibrium lines are parallel

In Dumas’ method for estimation of nitrogen, 0.3g of an organic compound gave 50mL of nitrogen collected at 300K temperature and 715mm pressure. Calculate the percentage composition of nitrogen in the compound. (Aqueous tension at 300K=15 mm).

Description : In Dumas’ method for estimation of nitrogen, 0.3g of an organic compound gave 50mL of nitrogen collected at 300K temperature and 715mm pressure. Calculate the percentage composition of nitrogen in the compound. (Aqueous tension at 300K=15 mm).

Last Answer : Volume of nitrogen collected at 300K and 715mm pressure is 50 mL Actual pressure = 715-15 =700 mm Volume of Nitrogen at STP=273*700*50/300*760 =41.9 ml 22400 ml of Nitrogen at STP weighs = 28 g 41.9 ml of Nitrogen weighs = 28*41.9/22400 g % of Nitrogen = 28*41.9*100/22400*0.3 = 17.45 %

Pick out the correct statement. (A) The slope of the stripping line is always less than unity (B) For a given separation in a binary distillation column, with increase in reflux ratio (above the minimum reflux ratio), the fixed cost of the distillation column first increases and then decreases (C) In Ponchon-Savarit method of no. of theoretical plate determination, the stripping and rectifying operating lines are vertical at total reflux (D) Kremser-Brown-Souder's equation is used to calculate the efficiency of a plate tower

Description : Pick out the correct statement. (A) The slope of the stripping line is always less than unity (B) For a given separation in a binary distillation column, with increase in reflux ratio ( ... (D) Kremser-Brown-Souder's equation is used to calculate the efficiency of a plate tower

Last Answer : C) In Ponchon-Savarit method of no. of theoretical plate determination, the stripping and rectifying operating lines are vertical at total reflux

The method of alighting the aeroplane on water during a ditching is to: a. Carry out a normal approach with flaps and gear selected as normal but to calculate all speeds plus 10kts b. Reduce the approach angle to 1.5deg (150ft/mile), add 15kts to all speeds, keep the aeroplane clean (no flaps or gear) and fly it into the surface c. Fly a normal approach but keep the gear up and land at lowest possible speed with the nose raised for the tail to strike first d. Fly a normal approach to stalling speed and then drop the aeroplane vertically onto the water

Description : The method of alighting the aeroplane on water during a ditching is to: a. Carry out a normal approach with flaps and gear selected as normal but to calculate all speeds plus 10kts b. Reduce ... d. Fly a normal approach to stalling speed and then drop the aeroplane vertically onto the water

Last Answer : c. Fly a normal approach but keep the gear up and land at lowest possible speed with the nose raised for the tail to strike first

Calculate the labour turnover rate according to Separation method from the following: No. of workers on the payroll: - At the beginning of the month: 500 - At the end of the month: 600 During the month, 5 workers left, 20 workers were discharged and 75 workers were recruited. Of these, 10 workers were recruited in the vacancies of those leaving and while the rest were engaged for an expansion scheme. (a) 4.55% (b) 1.82% (c) 6% (d) 3%

Description : Calculate the labour turnover rate according to Separation method from the following: No. of workers on the payroll: - At the beginning of the month: 500 - At the end of the month: 600 During the month, 5 workers left ... engaged for an  expansion scheme. (a) 4.55% (b) 1.82% (c) 6% (d) 3%

Last Answer : (a) 4.55%

Calculate the labour turnover rate according to replacement method from the following: No. of workers on the payroll: - At the beginning of the month: 500 - At the end of the month: 600 During the month, 5 workers left, 20 workers were discharged and 75 workers were recruited. Of these, 10 workers were recruited in the vacancies of those leaving and while the rest were engaged for an expansion scheme. (a) 4.55% (b) 1.82% (c) 6% (d) 3%

Description : Calculate the labour turnover rate according to replacement method from the following: No. of workers on the payroll: - At the beginning of the month: 500 - At the end of the month: 600 During the month, 5 workers left ... engaged for an expansion scheme. (a) 4.55% (b) 1.82% (c) 6% (d) 3%

Last Answer : (b) 1.82%

Calculate workers recruited and joined from the following: Labour turnover rates are 20%, 10% and 6% respectively under Flux method, Replacement method and Separation method. No. of workers replaced during the quarter is 80. (a) 112 (b) 80

Description : Calculate workers recruited and joined from the following: Labour turnover rates are 20%, 10% and 6% respectively under Flux method, Replacement method and  Separation method. No. of workers replaced during the quarter is 80. (a) 112 (b) 80

Last Answer : (a) 112

Calculate workers left and discharged from the following: Labour turnover rates are 20%, 10% and 6% respectively under Flux method, Replacement method and Separation method. No. of workers replaced during the quarter is 80. (a) 112 (b) 80 (c) 48 (d) 64

Description : Calculate workers left and discharged from the following: Labour turnover rates are 20%, 10% and 6% respectively under Flux method, Replacement method and  Separation method. No. of workers replaced during the quarter is 80. (a) 112 (b) 80 (c) 48 (d) 64

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Calculate the value of closing stock18th January, 2014: 150 units (a) Rs. 765 (b) Rs. 805 (c) Rs. 786 (d) Rs. 700 from the following according to Weighted Average method: 1st January, 2014: Opening balance: 50 units @ Rs. 4 Receipts: 5th January, 2014: 100 units @ Rs. 5 12th January, 2014: 200 units @ Rs. 4.50 Issues: 2nd January, 2014: 30 units

Description : Calculate the value of closing stock from the following according to Weighted Average method: 1st January, 2014: Opening balance: 50 units @ Rs. 4 Receipts: 5th January, 2014: 100 units @ Rs. 5 12th January, 2014: 200 units ... 2014: 150 units (a) Rs. 765 (b) Rs. 805 (c) Rs. 786 (d) Rs. 700

Last Answer : (c) Rs. 786

Calculate the value of closing stock from the following according to LIFO method: 1st January, 2014: Opening balance: 50 units @ Rs. 4 Receipts: 5th January, 2014: 100 units @ Rs. 5 12th January, 2014: 200 units @ Rs. 4.50 Issues: 2nd January, 2014: 30 units 18th January, 2014: 150 units (a) Rs. 765 (b) Rs. 805 (c) Rs. 786 (d) Rs. 700

Description : Calculate the value of closing stock from the following according to LIFO method: 1st January, 2014: Opening balance: 50 units @ Rs. 4 Receipts: 5th January, 2014: 100 units @ Rs. 5 12th January, 2014: 200 units @ Rs. 4.50 ... , 2014: 150 units (a) Rs. 765 (b) Rs. 805 (c) Rs. 786 (d) Rs. 700

Last Answer : (b) Rs. 805

Calculate the value of closing stock from the following according to FIFO method: 1st January, 2014: Opening balance: 50 units @ Rs. 4 Receipts: 5th January, 2014: 100 units @ Rs. 5 12th January, 2014: 200 units @ Rs. 4.50 Issues: 2nd January, 2014: 30 units 18th January, 2014: 150 units (a) Rs. 765 (b) Rs. 805 (c) Rs. 786 (d) Rs. 700

Description : Calculate the value of closing stock from the following according to FIFO method: 1st January, 2014: Opening balance: 50 units @ Rs. 4 Receipts: 5th January, 2014: 100 units @ Rs. 5 12th January, 2014: 200 units @ Rs. 4.50 ... , 2014: 150 units (a) Rs. 765 (b) Rs. 805 (c) Rs. 786 (d) Rs. 700

Last Answer : (a) Rs. 765

The most simple and popular method of measuring economic development is to calculate the trend of Gross National Product (GNP) at: A. Current Prices B. Constant Prices C. Both of the above D. None of the above

Description : The most simple and popular method of measuring economic development is to calculate the trend of Gross National Product (GNP) at: A. Current Prices B. Constant Prices C. Both of the above D. None of the above

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Which among the following method is used to calculate poverty in India? (a) Investment Method. (b) Capital Method. © Savings Method. (d) Income Method.

Description : Which among the following method is used to calculate poverty in India? (a) Investment Method. (b) Capital Method. © Savings Method. (d) Income Method.

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Which of the following represents the step of scientific method? I- Develop hypothesis based on evidence II- Calculate hash value of evidence III- Test the hypothesis to look for additional evidence IV-make an imaging of the original evidence a. I and IV b. I and II c. II, III and IV d. All of above

Description : Which of the following represents the step of scientific method? I- Develop hypothesis based on evidence II- Calculate hash value of evidence III- Test the hypothesis to look for additional evidence IV-make an imaging of the ... a. I and IV b. I and II c. II, III and IV d. All of above

Last Answer : b. I and II

Paging through your photo albums, do you find yourself smiling more, tearing up, nodding your head in disbelief over how fast time went?

Description : Paging through your photo albums, do you find yourself smiling more, tearing up, nodding your head in disbelief over how fast time went?

Last Answer : answer:Oh, yes. Yes. I had about 20 rolls of 35 mm film, going back to 1995 that I just finished developing last year. I’d take 1–3 in every payday. THAT was a trip.

Do you do anything special to conquer a head cold?

Description : Do you do anything special to conquer a head cold?

Last Answer : Hot Toddy

Is has special chemicals on the tip of its head to help it into things?

Description : Is has special chemicals on the tip of its head to help it into things?

Last Answer : What is the answer ?

The following records may not be destroyed without the special permission of the Head of the Circle a) Post office order book b) Register of undeliverable pass books in deposit in the head office c) Post office certificate ledger d) Correspondence regarding which enquiry in progress or connected with the cases which have not been fully decided or closed e) All the above

Description : The following records may not be destroyed without the special permission of the Head of the Circle a) Post office order book b) Register of undeliverable pass books in deposit in the head office c) ... or connected with the cases which have not been fully decided or closed e) All the above

Last Answer : e) All the above

The Order Book of a Record Office: (A) Is a permanent record and should not be destroyed at all (B) May be destroyed as usual after expiry of the preservation period (C) May not be destroyed without the special permission of the Superintendent (D) May not be destroyed without the special permission of Head of the Circle / Region

Description : The Order Book of a Record Office: (A) Is a permanent record and should not be destroyed at all (B) May be destroyed as usual after expiry of the preservation period (C) May not be ... the Superintendent (D) May not be destroyed without the special permission of Head of the Circle / Region

Last Answer : (D) May not be destroyed without the special permission of Head of the Circle / Region

. The record not to be destroyed without the special permission of the Head of the Circle a) Order book of a record office b) Nominal roll of token holder c) Work paper regarding which enquiry is in progress and not fully decided d) All the above

Description : . The record not to be destroyed without the special permission of the Head of the Circle a) Order book of a record office b) Nominal roll of token holder c) Work paper regarding which enquiry is in progress and not fully decided d) All the above

Last Answer : d) All the above

Forward mail list containing bags for one or more intervening office is to be entered in the mail list in a) Head ‘Due mail’ in the column TB b) L bag column c) Pl bag column d) Special bag column

Description : Forward mail list containing bags for one or more intervening office is to be entered in the mail list in a) Head ‘Due mail’ in the column TB b) L bag column c) Pl bag column d) Special bag column

Last Answer : a) Head ‘Due mail’ in the column TB

A boy is standing in front of and close to a special mirror. He finds the image of his head bigger than normal, the middle part of his body of the same size, and his legs smaller than normal. The special mirror is made up of three types of mirrors in the following order from top downwards: (a) Convex, Plane, Concave (b) Plane, Convex, Concave (c) Concave, Plane, Convex (d) Convex, Concave, Plan

Description : A boy is standing in front of and close to a special mirror. He finds the image of his head bigger than normal, the middle part of his body of the same size, and his legs smaller than normal. The ... , Plane, Concave (b) Plane, Convex, Concave (c) Concave, Plane, Convex (d) Convex, Concave, Plan

Last Answer : (c) Concave, Plane, Convex

An officer transferred may not, without urgent necessity or special orders of the Head of the circle, leave the station a) Before the arrival of the permanent successor b) After the arrival of the permanent successor c) After completed his tenure d) None of these

Description : An officer transferred may not, without urgent necessity or special orders of the Head of the circle, leave the station a) Before the arrival of the permanent successor b) After the arrival of the permanent successor c) After completed his tenure d) None of these

Last Answer : a) Before the arrival of the permanent successor

All transfers, changes of HQ and special duties of gezetted officers should be communicated to the a) Director General b) Audit office c) Head of the circle d) Both A&B

Description : All transfers, changes of HQ and special duties of gezetted officers should be communicated to the a) Director General b) Audit office c) Head of the circle d) Both A&B

Last Answer : d) Both A&B

Re-employment of persons who resigned, absconded or were dismissed should be made on special ground previous approval of the a) Head of the circle b) Min of IT c) DG Post d) PMG

Description : Re-employment of persons who resigned, absconded or were dismissed should be made on special ground previous approval of the a) Head of the circle b) Min of IT c) DG Post d) PMG

Last Answer : c) DG Post

Bags should not be entered in the general stock book in the offices which have been authorised by the ____to maintain the special form of stock register of bags ____ a) Superintendent , SK 2 b) Superintendent, SK1 c) Head of the Circle, Form S.K.-1 (a) d) None of these

Description : Bags should not be entered in the general stock book in the offices which have been authorised by the ____to maintain the special form of stock register of bags ____ a) Superintendent , SK 2 b) Superintendent, SK1 c) Head of the Circle, Form S.K.-1 (a) d) None of these

Last Answer : c) Head of the Circle, Form S.K.-1 (a)

Mark correct option related to bulk bag system under foreign post a) Application for bulk bag facility should be made to Head of the circleb) Special bags of printed newspaper to/from addressees/sender in foreign countries except ceylon, Nepal, Bhutan and Pakistan may be send.c) Bulk bag may be sent either as unregistered or registered.d) The sender of such bags will deposit the amount in cash or POSB certificate pledged to Head of the circle. e) All the above are correct

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Last Answer : e) All the above are correct

From the following records special sanction is needed for destruction from Head of circle a. Bill Register b. Memo of Disbursement c. Sub Office Saving Bank Journal

Description : From the following records special sanction is needed for destruction from Head of circle a. Bill Register b. Memo of Disbursement c. Sub Office Saving Bank Journal

Last Answer : c. Sub Office Saving Bank Journal