Mathematics Quiz 6

A boat goes 100 km downstream in 10 hours, and 75 m upstream in 15 hours. The speed of the stream is________?

(815 / ?) / 100 * 28 * 3 ? (815 * 14 * 6)/100 = 1680

Find the least multiple of 13 which when divided by 6, 8 and 12 leaves 5, 7 and 11 as remainders respectively?

The C.P of an article is 40% of the S.P. The percent that the S.P is of C.P is:________?

What will be the compound interest on Rs 25000 after 3 years at 12% Per annum?

A man covers a distance of 20 km in 3.5 hours partly by running and partly by walking. If he walks at 4 kmph and runs at 10 kmph, find the distance he covers by walking.

Find the one which does not belong to that group ?

If the numerator of a fraction is increased by 140 % and the denominator is increased by 150 % the resultant fraction is 4/15 what is the original fraction?

If the area of circle is 616 sq cm then its circumference?

A mixture of 70 liters of wine and water contains 10% water. How much water must be added to make water 12 ?% of the total mixture?

36 * 48 ? 64 + 36 ? 12 = _________?

The average of five consecutive odd numbers is 61. What is the difference between the highest and lowest numbers?

The speed of a boat in still water is 2km/hr. If its speed upstream be 1km/hr then speed of the stream is________?

The least number which when divided by 8, 12 and 16, leave in each remainder 3, is_______?

Two pipes A and B can fill a cistern in 12 and 15 minutes respectively. Both are opened together but after 3 minutes A is turned off. After how much more time will the cistern be filled?

The surface area of a cube is 726m2, its volume is?

The length of a rectangle is halved, while its breadth is tripled. What is the percentage change in area?

What is the ratio between perimeters of two squares one having 3 times the diagonal then the other?

In a question paper, there are four multiple choice type questions, each question has five choices with only one choice for it?s correct answer. What is the total number of ways in which a candidate will not get all the four answers correct?

A student has to opt for 2 subjects out of 5 subjects for a course. Namely commerce, economics, statistics, mathematics 1 and Mathematics 2, Mathematics 2 can be offered only if mathematics 1 has also opted. The number of different combinations of two subjects which can be opted is_________?

If y exceeds x by 20%, then x is less than y by_______?

The average runs scored by a batsman in 20 matches is 40. In the next 10 matches the batsman scored an average of 13 runs. Find his average in all the 30 matches?

What sum of money put at C.I amounts in 2 years to Rs.8820 and in 3 years to Rs.9261?

The average of the two-digit numbers, which remain the same when the digits interchange their positions, is__________?

What is the area of square field whose side of length 15 m?

A merchant has three different types of milk: 435 liters, 493 liters and 551 liters. Find the least number of casks of equal size required to store all the milk without mixing.

The dimensions of an open box are 52, 40 and 29 cms. Its thickness is 2 cms. If 1 cm3?of metal used in the box weighs 0.5 gms, the weight of the box is________?

Find the cost of Rs. 6400, 10% stock at 15 discount.

96% of the population of a village is 23040. The total population of the village is________?

Two numbers are respectively 20% and 25% more than a third number. The percentage that is first of the second is_________?

A man buys Rs. 50 shares in a company which pays 10% dividend. If the man gets 12.5% on his investments, at what price did he buy the shares?

Find the one which does not belong to that group ?

If Rs.7500 are borrowed at C.I at the rate of 4% per annum, then after 2 years the amount to be paid is_______?

25 men can consume 250kg of wheat in 20 days. 20 men cang consume how much wheat in 25 days?

The sum of money at compound interest amounts to thrice itself in 3 years. In how many years will it be 9 times itself?

A train 240 m long passes a pole in 24 seconds. How long will it take to pass a platform 650 m long?

The radius of a circular wheel is 17.5m. How many revolutions will it make in travelling 11km?

If a trader sold two cars each at Rs. 325475 and gains 12% on the first and loses 12% on the second, then his profit or loss percent on the whole is_______?

A and B invests Rs.3000 and Rs.4000 respectively in a business. If A doubles his capital after 6 months. In what ratio should A and B divide that year?s profit?

The average marks in mathematics scored by the students of a school at the public examination were 39. If four of these students who actually scored 5, 12, 15 and 19 marks at the examination had not been sent up, the average marks for the school would have been 44. Find the number of students sent up for examination from the school?

A total of 3000 chocolates were distributed among 120 boys and girls such that each boy received 2 chocolates and each girl received 3 chocolates. Find the respective number of boys and girls?

The difference between compound interest and simple interest on a sum for 2 years at 8% P.a is Rs 786. The sum is:_________?

If the volumes of two cubes are in the ratio 8: 1, the ratio of their edges is_________?

The present average age of a family of five members is 26 years. If the present age of the youngest member in the family is ten years, then what was the average age of the family at the time of the birth of the youngest member ? (Assume no death occurred in the family since the birth of the youngest).

The volumes of two cubes are in the ratio 27: 125, what shall be the ratio of their surface areas?

Two pipes function simultaneously the reservoir will be filled in 12 hours. One pipe fills reservoir 10 hours faster than the other. How many hours does the faster pipe take to fill the reservoir?

From a pack of cards two cards are drawn one after the other, with replacement. The probability that the first is a red card and the second is a king is_________?

The speed of a boat in still water is 60kmph and the speed of the current is 20kmph. Find the speed downstream and upstream?

Two pipes A and B can separately fill a tank in 12 and 15 minutes respectively. A third pipe C can drain off 45 liters of water per minute. If all the pipes are opened, the tank can be filled in 15 minutes. What is the capacity of the tank?

A shopkeeper sells two articles at Rs.1000 each, making a profit of 20% on the first article and a loss of 20% on the second article. Find the net profit or loss that he makes?