Description : (i) What per cent of 1 kg is 125 g? (ii) What per cent of 80 m is 24 m? -Maths
Last Answer : answer:
Description : The excise duty on a certain item has been reduced to Rs 760 from Rs 950. Find the reduction per cent in the excise duy on that item. -Maths
Description : The population of a town increases at 5% per annum. Its present population is 16000. What will be its population after 2 years? -Maths
Description : The value of a machine depriciates at the rate of 10% per annum. If its present value is Rs 10000, what will be its value after 2 years? -Maths
Description : Class 12 | Maths | Complex Numbers | Simplify the following complex numbers and find their modulus.
Last Answer : Class 12 | Maths | Complex Numbers | Simplify the following complex numbers and find their modulus.
Description : Maths | Complex Numbers | If √3 + i = r (cosθ + i sinθ), then find the value of θ in radian measure.
Last Answer : Solution :
Description : Class 12 | Maths | Complex Numbers | Simplify -2i ( 3 + i )( 2 + 4i )( 1 + i ) and obtain the modulus of that complex number.
Description : Class 12 | Maths | Complex Numbers | Express the complex numbers modulus-amplitude form - √3 + i
Description : Fill in the blanks: (a) 1 lakh = ………….. ten thousand. (b) 1 million = …………… hundred thousand. (c) 1 crore = ………………. ten lakh. (d) 1 crore = ……………. million. (e) 1 million = ……………. lakh. -Maths
Last Answer : a) 10 (b) 10 (c) 10 (d) 10 (e) 10
Description : A number is increased by 10% and the increased num\ber is decreased by 10%. Show that the net decrease is 1 -Maths
Description : An ore contains 12% copper. How many kilograms of the ore are required to get 69 kg of copper? -Maths
Last Answer : 579 kg is the answer
Description : 70% of the students in a school are boys and the number of girls is 504. Find the number of boys in the school. -Maths
Description : 96% of the cost of a TV is Rs 10464. What is its total cost? -Maths
Description : The monthly salary of a typist is Rs 15625. If he gets an increase of 12%, find his new salary. -Maths
Description : Rupesh secures 495 marks out of 750 in his annual examination. Find the percentage of marks obtained by him. -Maths
Description : What percentage is (i) Rs 15 of Rs 120? (ii) 36 minutes of 2 hours? (iii) 8 hours of 2 days (iv) 160 metres of 4 km? (v) 175 mL of 1 litre? (vi) 25 paise of Rs 4? -Maths
Description : If 12.5% of x is 6, find the value of x. -Maths
Description : What amount is 10% more than Rs 90? -Maths
Description : Find the number whose 614% is 2. -Maths
Description : Find the number whose 13% is 65. -Maths
Description : Find: (i) 25% of Rs 76 (ii) 20% of Rs 132 (iii) 7.5% of 600 m (iv) 313% of 90 km (v) 8.5% of 5 kg (vi) 20% of 12 litres -Maths
Description : Find: (i) 32% of 425 (ii) 1623% of 16 (iii) 6.5% of 400 (iv) 136% of 70 (v) 2.8% of 35 (vi) 0.6% of 45 -Maths
Description : Convert each of the following decimals into a percentage: (i) 0.6 (ii) 0.42 (iii) 0.07 (iv) 0.005 -Maths
Description : Convert each of the following into decimal form: (i) 45% (ii) 127% (iii) 3.6% (iv) 0.23% -Maths
Description : Convert each of the following ratios into a percentage: (i) 37 : 100 (ii) 16 : 25 (iii) 3 : 5 (iv) 5 : 4 -Maths
Description : Express each of the following as a ratio: (i) 43% (ii) 36% (iii) 7.5% (iv) 125% -Maths
Description : Convert each of the following fraction into a percentage: (i) 47 100 (ii) 9 20 (iii) 3 8 (iv) 8 125 (v) 19 500 (vi) 4 15 (vii) 2 3 (viii) 1 3 5 -Maths
Last Answer : We have the following: (i) 47100=47100×100% = 47% (ii) 920=920×100% =9×5%= 45% (iii) 38=38×100% =3×252%=752%=3712% (iv) 8125=8125×100%=8×45%=325%=6.4% (v) ... ;203%=803%=2623% (vii) 23=23×100%=2003%=6623% (viii) 135=85=85×100%=(8×20)%=160%
Description : Convert each of the following into a fraction: (i) 32% (ii) 614% (iii) 2623% (iv) 120% (v) 6.25% (vi) 0.8% (vii) 0.06% (viii) 22.75% -Maths
Description : Write each of the following as decimals: (a) 5 / 10 (b) 3 + 7 / 10 (c) 200 + 60 + 5 + 1 / 10 (d) 70 + 8 / 10 (e) 88 / 10 -Maths
Last Answer : (a) 5 / 10 = 0.5 (b) 3 + 7 / 10 = 3 + 0.7 = 3.7 (c) 200 + 60 + 5 + 1 / 10 = 265 + 0.1 = 265.1 (d) 70 + 8 / 10 = 70 + 0.8 = 70.8 (e) 88 / 10 = 80 / 10 + 8 / 10 = 8 + 0.8 = 8.8 (f) (g) 3 / 2 = (2 + 1) / ... + 0.5 = 1.5 (h) 2 / 5 = 0.4 (i) 12 / 5 = (10 + 2) / 5 = 10 / 5 + 2 / 5 = 2 + 0.4 = 2.4 (j) (k)
Description : Write each of the following as decimals: (a) Seven-tenths (b) Two tens and nine-tenths (c) Fourteen point six (d) One hundred and two ones (e) Six hundred point eight -Maths
Last Answer : (a) The decimal form of Seven-tenths is 7 / 10 = 0.7 (b) The decimal form of two tens and nine tenths is 20 + 9 / 10 = 20.9 (c) The decimal form of fourteen point six is 14.6 (d) The decimal form of one hundred and two ones is 100 + 2 = 102.0 (e) The decimal form of six hundred point eight is 600.8
Description : In 2003, the people preferring to travel by bus represented approximately what per cent of the people preferring to travel by own vehicles, buses and rails together in the year? a) 46 b) 54 c) 22 d) 14 e) 37
Last Answer : e) 37
Description : . A job is budgeted to require 3,300 productive hours after incurring 25% idle time. If the total labour cost budgeted for the job is Rs36,300. What is the labour cost per hour( to the nearest cent)? (a) Rs 8.25 (b) Rs 8.80 (c) Rs 11.00 (d) Rs 14.67
Last Answer : (a) Rs 8.25
Description : A speaks truth in 75% and B in 80% of the cases. In what per cent of the cases are they likely to contradict each other in -Maths 9th
Last Answer : Let E1 : Event that A speak the truth E2 : Event that B speaks the truth Then, \(\bar{E}\)1 : Event that A tells a lie \(\bar{E}\)2 : Event that B tells a lie E1, E2 and so \(\bar{E}\)1, \(\bar ... {20}\).∴ % of cases in which A and B contradict each other = \(\bigg(rac{7}{20} imes100\bigg)\)% = 35%
Description : How many times can 84 go into 14?
Last Answer : Need answer
Description : Specific gravity of diesel oil is (A) 0.84 (B) 1.14 (C) 2.7 (D) 3.8.
Last Answer : Ans: A
Description : Find the maximum force of the conductor having length 60cm, current 2.75A and flux density of 9 units. a) 14.85 b) 18.54 c) 84.25 d) 7.256
Last Answer : a) 14.85
Description : How ubiquitous is it for gas stations to charge a price per gallon/litre ending in nine tenths of a cent.
Last Answer : It’s all over, here you go! Google has more here.
Description : In India, about 80 per cent of farmers are small farmers, who need credit for cultivation. a. Why might banks be unwilling to lend to small farmers? -Economics 10th
Last Answer : Banks might be unwilling to lend money to small farmers because there are high risks. If the harvest gets ruined, there is a possibility that they might not be able to receive the instalments on ... for getting a loan from the bank, which might not be available with the small scale farmers.
Description : How much per cent of the total volume of world’s water is estimated to exist as fresh water ? -SST 10th
Last Answer : 2.5% percent of the total volume of world’s water is estimated to exist as fresh water .
Description : What is mass per cent of a solution -SST 10th
Last Answer : This answer was deleted by our moderators...
Description : The maximum amount of electrolytes and water (70-80 per cent) from the glomerular filtrate is reabsorbed in which part of the nephron?
Last Answer : The maximum amount of electrolytes and water (70-80 per cent) from the glomerular filtrate is ... of loop of Henle D. Distal convoluted tuble
Description : Assertion (A) : Methane component of greenhouse gases contributing to global warming is about 20 per cent. Reason (R) : Introduction of multi-point fu
Last Answer : Assertion (A) : Methane component of greenhouse gases contributing to global warming is about 20 per cent ... but reason is wrong D. Both are wrong
Description : Express `6/25` as per cent.
Last Answer : Express `6/25` as per cent.
Description : What per cent of 1 litre is 200 ml
Last Answer : What per cent of 1 litre is 200 ml
Description : What per cent of 52 kg is 25 kg ?
Last Answer : What per cent of 52 kg is 25 kg ?
Description : What is the cost of 77 yards of ribbon at 48 cent per yard?
Last Answer : 77 x $0.48 = $36.96
Description : What is 10.25 per cent as a decimal?
Last Answer : It is 0.1025
Description : How mutch 4 per cent of 5 liters?
Last Answer : 4% of 5 liters is 1/5 of a liter
Description : What is 20 per cent off 49.95?
Last Answer : 100% = 49.9510% = 4.99520% = 9.9949.95 - 9.99 = 39.96
Description : In the atmosphere, which of the following gases account for about 99.0 % per cent by volume?
Last Answer : Ans. Nitrogen, Oxygen, Carbon dioxide