Percentage of lead in lead pencils is (1) 0 (2) 31-66 (3) 40 (4) 80

Percentage of lead in lead pencils is (1) 0 (2) 31-66 (3) 40 (4) 80
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Nesha scored 120 out of 150 in English, 120 out of 180 in mathematics and 160 out of 200 in Science. Find Nesha’s score as percentage: (i) in Mathematics (ii) in all the three subjects (on the whole). a) 66 2/3, 78 22/51 b) 71 23/5, 45 7/31 c) 54 13/33, 82 3/4 d) 60 3/4, 76 32/41

Description : Nesha scored 120 out of 150 in English, 120 out of 180 in mathematics and 160 out of 200 in Science. Find Nesha’s score as percentage: (i) in Mathematics (ii) in all the three subjects (on the whole). a) 66 2/3, 78 22/51 b) 71 23/5, 45 7/31 c) 54 13/33, 82 3/4 d) 60 3/4, 76 32/41 

Last Answer :  Answer: A (i) Percentage scored in Mathematics = 120/180 100  = 12000/180  =1200/18  = 66 2 /3 % (ii) Total maximum of all the three subjects = 150 + 160 + 200 = 510 and Total score in the ... percentage on the whole = (400/510 100)  = (40000/510)  = 4000/51  = 78 22/51 %

A well penetrates to 30 m below the static water table. After 24 hours of pumping at 31.40 litres/minute, the water level in a test well at a distance of 80 m is lowered by 0.5 m and in a well 20 m away water is lowered by 1.0 m. The transmissibility of the aquifer, is (A) 1.185 m2 /minute(B) 1.285 m2/minute (C) 1.385 m2/minute (D) 1.485 m2/minute

Description : A well penetrates to 30 m below the static water table. After 24 hours of pumping at 31.40 litres/minute, the water level in a test well at a distance of 80 m is lowered by 0.5 m and in a well 20 m away water is ... 1.185 m2 /minute (B) 1.285 m2 /minute (C) 1.385 m2 /minute (D) 1.485 m2 /minute

Last Answer : Answer: Option C

Box A contains wheat worth Rs.30 per kg and box B contains wheat worth Rs.40 per kg.If both A and B are mixed in the the ratio 4:7 then the price of mixture per kg is A)36.36 B)35.80 C)42.50 D)31.30

Description : Box A contains wheat worth Rs.30 per kg and box B contains wheat worth Rs.40 per kg.If both A and B are mixed in the the ratio 4:7 then the price of mixture per kg is A)36.36 B)35.80 C)42.50 D)31.30

Last Answer : A)36.36

Why were pencils ever made with lead if it is bad for us?

Description : Why were pencils ever made with lead if it is bad for us?

Last Answer : A long time ago, people didn´t know that lead was bad for us. Sothey used what they found because it worked. Then it made peoplesick. So now we use graphite.

How did Robert fulton built his own lead pencils and rockets?

Description : How did Robert fulton built his own lead pencils and rockets?

Last Answer : Feel Free to Answer

Are lead pencils poisonous?

Description : Are lead pencils poisonous?

Last Answer : Despite the word lead, there is no lead metal in a lead pencil. Graphite is used, which is a minimally-toxiccarbon based substance.

Lead pencils are made of?

Description : Lead pencils are made of?

Last Answer : Graphite - an allotrope of carbon

The element used in lead pencils is-----? A. Zinc B. Lead C. Carbon (Answer) D. Tin

Description : The element used in lead pencils is-----? A. Zinc B. Lead C. Carbon (Answer) D. Tin

Last Answer : C. Carbon (Answer)

Pencils are bought at 3 for Rs.2 and sold at 2 for Rs.3.Find the gain percentage 1)100% 2)110% 3)125% 4)115%

Description : Pencils are bought at 3 for Rs.2 and sold at 2 for Rs.3.Find the gain percentage 1)100% 2)110% 3)125% 4)115%

Last Answer : 3)125% Exp: [3(3)-2(2)]/4=5/4 In percentage=> (5/4)×100=125%.

Dave has 75 pencils . If 40 are red and 32 are green ,how many are blue?

Description : Dave has 75 pencils . If 40 are red and 32 are green ,how many are blue?

Last Answer : Total no of pencil=75Total no of red=40Total no of green=3240+32=7275 -72=3Total no of blue= 3

As compared to a 2-wire D.C. distributor, a 3-wire distributor with same maximum voltage to earth uses only (a) 31.25 percent of copper (b) 33.3 percent of copper (c) 66.7 percent of copper (d) 125 percent of copper

Description : As compared to a 2-wire D.C. distributor, a 3-wire distributor with same maximum voltage to earth uses only (a) 31.25 percent of copper (b) 33.3 percent of copper (c) 66.7 percent of copper (d) 125 percent of copper

Last Answer : (a) 31.25 percent of copper

Minimum recommended baffle spacing in a shell and tube heat exchanger is about (where, D = shell diameter). (A) 0.2 D (B) 0.5 D (C) 0.66 D (D) 0.80 D

Description : Minimum recommended baffle spacing in a shell and tube heat exchanger is about (where, D = shell diameter). (A) 0.2 D (B) 0.5 D (C) 0.66 D (D) 0.80 D

Last Answer : (A) 0.2 D

Two coal trains, one southbound, the other westbound, reach an over and under crossing at the same instant and each proceed at 40 kilometers per hour on their respective courses. Approximately how far apart are the lead cars two hours later, to the nearest kilometer? w) 80 x) 113 y) 136 z) 160

Description : Two coal trains, one southbound, the other westbound, reach an over and under crossing at the same instant and each proceed at 40 kilometers per hour on their respective courses. Approximately how far apart are the lead cars two hours later, to the nearest kilometer? w) 80 x) 113 y) 136 z) 160

Last Answer : ANSWER: X -- 113 

The percentage of CO2 carrying capacity of whole blood by hemoglobin and oxyhemoglobin is (A) 20 (B) 40 (C) 60 (D) 80

Description : The percentage of CO2 carrying capacity of whole blood by hemoglobin and oxyhemoglobin is (A) 20 (B) 40 (C) 60 (D) 80

Last Answer : Answer : C

In the total proteins, the percentage of albumin is about (A) 20–40 (B) 30–45 (C) 50–70 (D) 80–90

Description : In the total proteins, the percentage of albumin is about (A) 20–40 (B) 30–45 (C) 50–70 (D) 80–90

Last Answer : Answer : C

An intense rain is falling at a uniform rate of 7.5 cm/hour for a period of 60 minutes on a basin whose area is 500 hectares. If the average infiltration capacity during the entire rain period is assumed to be 1.5 cm/hr, the maximum run-off rate based on 10 minute peak percentage of 16% from distributing graph of the basin, is (A) 40 cumecs (B) 60 cumecs (C) 80 cumecs (D) 100 cumecs

Description : An intense rain is falling at a uniform rate of 7.5 cm/hour for a period of 60 minutes on a basin whose area is 500 hectares. If the average infiltration capacity during the entire rain period is assumed to be 1.5 ... of the basin, is (A) 40 cumecs (B) 60 cumecs (C) 80 cumecs (D) 100 cumecs

Last Answer : Answer: Option C

The percentage of voids in cement is approximately (A) 25 % (B) 40 % (C) 60 % (D) 80 %

Description : The percentage of voids in cement is approximately (A) 25 % (B) 40 % (C) 60 % (D) 80 %

Last Answer : (B) 40

Research has shown that the percentage of the total study time which could profitably be devoted to recitation as opposed to re-reading could be as high as Options: A) 20 per cent B) 40 per cent C) 60 per cent D) 80 per cent

Description : Research has shown that the percentage of the total study time which could profitably be devoted to recitation as opposed to re-reading could be as high as Options: A) 20 per cent B) 40 per cent C) 60 per cent D) 80 per cent

Last Answer : D) 80 per cent

The number of heart beats on an average in an adult human is in the range of (1) 60-65 (2) 66-70 (3) 71-80 (4) 8590

Description : The number of heart beats on an average in an adult human is in the range of (1) 60-65 (2) 66-70 (3) 71-80 (4) 8590

Last Answer : (3) 71-80 Explanation: The average heart rate for adult humans is about 70 to 75 beats per minute in a normal relaxed mode. While we tend to think of the "normal" heart beat rate as being "72 beats per minute", in actuality the heart beat rate is not and should not be constant.

The number of heart beats on an average in an adult human is in the range of (1) 60-65 (2) 66-70 (3) 71-80 (4) 85-90

Description : The number of heart beats on an average in an adult human is in the range of (1) 60-65 (2) 66-70 (3) 71-80 (4) 85-90

Last Answer : 71-80

Average age of A, B, C is 90yrs, however when D joins them, then the average comes down to 80 yrs. Now a new person E, whose age is six-fifth of the age of D, replaces A and the new average is 78. What is age of A? A) 64 B) 68 C) 62 D) 66

Description : Average age of A, B, C is 90yrs, however when D joins them, then the average comes down to 80 yrs. Now a new person E, whose age is six-fifth of the age of D, replaces A and the new average is 78. What is age of A? A) 64 B) 68 C) 62 D) 66

Last Answer : B) according to the question A+B+C/3=90 => A+B+C =270…………..(1) A+B+C +D/4=80 => A+B+C +D=320………(2) From the equation 1 and 2 D=50 E =6/5×50=60 E+B+C +D/4=78 => E+B+C +D =312 B+C +D =312-60=252……………..(3) From 2and 3 The age of A=320-252=68

In a Examination a candidate has to score minimum of 24 marks inorder to clear the exam. The maximum that he can score is 40 marks. Identify the Valid Equivalance values if the student clears the exam. A. 22,23,26 B. 21,39,40 C. 29,30,31 D. 0,15,22

Description : In a Examination a candidate has to score minimum of 24 marks inorder to clear the exam. The maximum that he can score is 40 marks. Identify the Valid Equivalance values if the student clears the exam. A. 22,23,26 B. 21,39,40 C. 29,30,31 D. 0,15,22

Last Answer : C. 29,30,31

The staff reading at a distance of 80 m from a level with the bubble at its centre is 1.31 m. When the bubble is moved by 5 divisions out of the centre, the reading is 1.39 m. The angular value of the one division of the bubble, is (A) 28.8 sec (B) 41.25 sec (C) 14.52 sec (D) 25.05

Description : The staff reading at a distance of 80 m from a level with the bubble at its centre is 1.31 m. When the bubble is moved by 5 divisions out of the centre, the reading is 1.39 m. The angular value of the one division of the bubble, is (A) 28.8 sec (B) 41.25 sec (C) 14.52 sec (D) 25.05

Last Answer : (B) 41.25 sec

Two concentric springs with stiffness equal to 100 N/mm and 80 N/mm respectively, when subjected to load of 900N will deflect by a. 9mm b. 11.25 mm c. 5mm d. 31.5 mm

Description : Two concentric springs with stiffness equal to 100 N/mm and 80 N/mm respectively, when subjected to load of 900N will deflect by a. 9mm b. 11.25 mm c. 5mm d. 31.5 mm

Last Answer : c. 5mm

Compute the maximum shearing stress developed in a phosphor bronze spring having mean diameter of 200 mm and consisting of 24 turns of 20-mm diameter wire when the spring is stretched 100 mm. and G = 42 GPa. a. 51 MPa b. 31.89 MPa c. 80 MPa d. 70 MPa

Description : Compute the maximum shearing stress developed in a phosphor bronze spring having mean diameter of 200 mm and consisting of 24 turns of 20-mm diameter wire when the spring is stretched 100 mm. and G = 42 GPa. a. 51 MPa b. 31.89 MPa c. 80 MPa d. 70 MPa

Last Answer : b. 31.89 MPa

You are a project manager for Move It Now trucking company. Your company specializes in moving household goods across the city or across the country. Your A. 54 B. 66 C. 60 D. 30project involves upgrading the nationwide computer network for the company. Your lead engineer has given you the following estimates for a critical path activity: 60 days most likely, 72 days pessimistic, 48 days optimistic. What is the weighted average or expected value?

Description : You are a project manager for Move It Now trucking company. Your company specializes in moving household goods across the city or across the country. Your project involves upgrading the nationwide computer network for the ... the weighted average or expected value? A. 54 B. 66 C. 60 D. 30

Last Answer : C. 60

If `33(1)/(3)%` of an AC ticket fare is equal to `66(2)/(3)%` of a non-AC ticket fare, then what percentage of AC ticket fare is equal to non-AC ticke

Description : If `33(1)/(3)%` of an AC ticket fare is equal to `66(2)/(3)%` of a non-AC ticket fare, then what percentage of AC ticket fare is equal to non-AC ticke

Last Answer : If `33(1)/(3)%` of an AC ticket fare is equal to `66(2)/(3)%` of a non-AC ticket ... percentage of AC ticket fare is equal to non-AC ticket fare ?

A shopkeeper marked a suit at Rs.400. He sold it after allowing a discount, and still made at a profit of 25%. At what percentage above its cost price did he marked the suit, if he sold it for Rs.320? a)50% b)66 2/3% c)62 1/2% d)56 1/4%

Description : A shopkeeper marked a suit at Rs.400. He sold it after allowing a discount, and still made at a profit of 25%. At what percentage above its cost price did he marked the suit, if he sold it for Rs.320? a)50% b)66 2/3% c)62 1/2% d)56 1/4%

Last Answer : d)56 1/4%

A merchant claims to sell goods at his cost price. But by using false weights, he give only 600 gm of goods for every 1 kg that he buys.What is his profit percentage? a)40% b)100% c)60% d)66 2/3%

Description : A merchant claims to sell goods at his cost price. But by using false weights, he give only 600 gm of goods for every 1 kg that he buys.What is his profit percentage? a)40% b)100% c)60% d)66 2/3%

Last Answer : d)66 2/3%

A wooden manufacturing company declares that a wooden is now available for $11200 as against $25200 one year before. Find the percentage reduction in the price of wooden offered by the company. a) 25 1/3 b) 691/3 c) 66 1/3 d) 33 1/3 e) 55 5/9

Description : A wooden manufacturing company declares that a wooden is now available for $11200 as against $25200 one year before. Find the percentage reduction in the price of wooden offered by the company. a) 25 1/3 b) 691/3 c) 66 1/3 d) 33 1/3 e) 55 5/9

Last Answer : Answer: E Price of the wooden a year before = $25200 Price of the wooden after a year = $11200 Decrease in price = $(25200 - 11200) = $14000 Therefore, decrease % = 14000/25200 × 100 %  = 55 5/9 %

What is the median of 16 94 66 29 and 40?

Description : What is the median of 16 94 66 29 and 40?

Last Answer : If you line up 94 66 40 29 16 like I just did you will see the 40 is in the

How many question can you miss to get a 40 in a 66 question test?

Description : How many question can you miss to get a 40 in a 66 question test?

Last Answer : Feel Free to Answer

What percentage of our land should be under forest according to the national fore 1952? st policy (a) 33% . (b) 44 %. (c) 31 %. (d) 22% .

Description : What percentage of our land should be under forest according to the national fore 1952? st policy (a) 33% . (b) 44 %. (c) 31 %. (d) 22% .

Last Answer : (a) 33% .

Pencils versus pens? When was the last time you used a pencil? Could you even find one?

Description : Pencils versus pens? When was the last time you used a pencil? Could you even find one?

Last Answer : I use both. Pencils are more practical for taking notes, because I can erase it if I make some mistakes in writing. I have only two pens, and use only one of them on occasion. I have several wooden pencils, used for drawing, though I don’t draw that often.

Do you have a recommendation for a brand of colored pencils?

Description : Do you have a recommendation for a brand of colored pencils?

Last Answer : go to Blick This is a Faber-Castell Polychromos Pencil Set about $100.00 There cheaper ones and there are more expensive.

Do you still use pencils or are you an ink person?

Description : Do you still use pencils or are you an ink person?

Last Answer : answer:Moleskin and pen. I can write way faster than I can peck on a screen. And my notebook doesn’t crash.

What is your favourite free online tutorial about sketching using pencils?

Description : What is your favourite free online tutorial about sketching using pencils?

Last Answer : I’m not sure if this qualifies, but my friend Sean does hand lettering and has a book and some online tutorials. He starts in pencil, then adds ink – so that’s why I’m unsure if it will meet your criteria. www.SeanWes.com/learn

Sharpen your pencils, wordsmiths, it's time for another round of ask-public phrases.

Description : Sharpen your pencils, wordsmiths, it's time for another round of ask-public phrases.

Last Answer : answer:Category: Internet Love “I would totally delete my online profile for you baby”

Why are number 2 pencils the standard for a lot of test?

Description : Why are number 2 pencils the standard for a lot of test?

Last Answer : One day someone had to make a decision, and they made a shitty decision… ;)

Where do pencils go for vacation? -Riddles

Description : Where do pencils go for vacation? -Riddles

Last Answer : Pencil-vania XD.

A boy presses a side of a blue pencil to a side of a yellow pencil, holding both pencils vertically. One inch of the pressed side of the blue pencil, measuring from its lower end, is smeared with paint. The yellow pencil is held steady while the boy slides the blue pencil down 1 inch, continueing to press it against the yellow one. He returns the blue pencil to its former position, then again it slides down 1 inch. He continues until he has lowered the blue pencil 5 times and raised it 5 times- 10 moves in all.Supposed that during this time the paint neither dries nor diminishes in quantity. How many inches of each pencil will be sneared with paint after the tenth move? -Riddles

Description : A boy presses a side of a blue pencil to a side of a yellow pencil, holding both pencils vertically. One inch of the pressed side of the blue pencil, measuring from its lower end, is smeared ... in quantity. How many inches of each pencil will be sneared with paint after the tenth move? -Riddles

Last Answer : At the start, 1inch of the yellow pencil gets smeared with wet paint. As the blue pencil is moved downward, a second inch of the blue pencils smears a second inch of the yellow pencil. Each pair ... of moves will smear 5 inches. This together with the initial inch, makes 6 inches for each pencil.

Average cost of 10 pens is rupees 200 & average cost of 10 pencils is 100 rupees find the average cost of the all pens and pencils​ -Maths 9th

Description : Average cost of 10 pens is rupees 200 & average cost of 10 pencils is 100 rupees find the average cost of the all pens and pencils​ -Maths 9th

Last Answer : 10 pens of average cost = 200 => 10×200 = 2000 rupees 10 pencils average cost = 100 rupees => 10×100=1000 Pens + Pencils = 20 Total average 2000+1000 = 3000 Rupees 150 is average for average cost of each pen and pencil ✏

Let cost of a pen and a pencil be “x” and “y” respectively. A girl pays ₹16 for 2 pens and 3 pencils. Write the given data in the form of a linear equation in two variables. Also represent it graphically. -Maths 9th

Description : Let cost of a pen and a pencil be “x” and “y” respectively. A girl pays ₹16 for 2 pens and 3 pencils. Write the given data in the form of a linear equation in two variables. Also represent it graphically. -Maths 9th

Last Answer : Solution :-

The total cost of purchasing two pens and three pencils is rs. 42. Express the statement as a linear equation in two variables. -Maths 9th

Description : The total cost of purchasing two pens and three pencils is rs. 42. Express the statement as a linear equation in two variables. -Maths 9th

Last Answer : answer:

Which of the following is used in pencils? A.Graphite B.Silicon C.Charcoal D.Phosphorous -Science

Description : Which of the following is used in pencils? A.Graphite B.Silicon C.Charcoal D.Phosphorous -Science

Last Answer : answer is A. Graphite

How much will four pencils cost if six pencils cost 1.68?

Description : How much will four pencils cost if six pencils cost 1.68?

Last Answer : 1.12

How many pencils will be in each package if the greatest number of identical packages are made from 72 pencils and 24 calculators?

Description : How many pencils will be in each package if the greatest number of identical packages are made from 72 pencils and 24 calculators?

Last Answer : 3 pencils to each calculator

How many pencils are made by one tree?

Description : How many pencils are made by one tree?

Last Answer : Need answer