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Mathematics Quiz 27

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Mathematics Quiz 27

1 / 50

A metallic sphere of radius 12 cm is melted and drawn into a wire, whose radius of cross section is 16 cm. What is the length of the wire?

2 / 50

7 + 5 ? (3/2 * 1/4) of 2/7 + 7/2 * 1/6 equals ________.

3 / 50

A man buys 10 articles for Rs. 8 and Sells them at the rate of Rs. 1.25 per article. His gain is:________?

4 / 50

A pupil?s marks were wrongly entered as 83 instead of 63. Due to the average marks for the class got increased by half. The number of pupils in the class is___________?

5 / 50

To produce an annual income of Rs. 1200 from a 12% stock at 90, the amount of stock needed is__________?

6 / 50

Find the least number which when divided by 35 leaves remainder 25, when divided by 25 leaves remainder 15 and when divided by 15 leaves remainder 5?

7 / 50

A heap of stones can be made up into groups of 21. When made up into groups of 16, 20, 25 and 45 there are 3 stones left in each case. How many stones at least can there be in the heap?

8 / 50

A boat running downstream covers 24 km?s in 4 hours while for covering the same distance upstream it takes 6 hours whats the speed of the boat in still water?

9 / 50

A,B,C, can do a work in 8,14,16 days respectively. A does the work for the first 2 days. B continues from it and finishes 2/3rd of the remaining work. C finishes the remaining work. How many days would have taken to complete the work?

10 / 50

A cuboidal water tank contains 216 liters is water. Its depth is 1/3 of its length and breadth is ? of 1/3 of the difference between length and depth. The length of the tank?

11 / 50

At what price must kashif sell a mixture of 80 kg sugar at Rs. 6.75 per kg with 120 kg at Rs. 8 per kg to gain 20%?

12 / 50

The average of 35 students in a class is 16 years. The average age of 21 students is 14. What is the average age of remaining 14 students?

13 / 50

If the cost price of 12 pens is equal to the selling price of 8 pens, the gain percent is:

14 / 50

A library has an average of 510 visitors on Sunday and 240 on other days. The average number of visitors per day in a month of 30 days beginning with a Sunday is___________?

15 / 50

If the selling price of 50 articles is equal to the cost price of 40 articles, then the loss or gain percent is:

16 / 50

Find the one which does not belong to that group ?

17 / 50

The average of five results is 46 and that of the first four is 45. The fifth result is__________?

18 / 50

Simple interest on a certain sum of money for 3 years at 8% per annum is half the compound interest on Rs. 4000 for 2 years at 10% per annum. The sum placed on simple interest is:_______?

19 / 50

If the diagonal of a square is doubled. How does the area of the square change?

20 / 50

If the simple interest on a sum of money for 2 years at 5% per annum is Rs. 50, what is the compound interest on the same sum at the rate and for the same time?

21 / 50

A, B and C are partners. A receives 2/3 of profits, B and C dividing the remainder equally. A?s income is increased by Rs.200 when the rate to profit rises from 5 to 7 percent. Find the Capital of B?

22 / 50

7 + 1/2 of [8 ? 4 / 2 * 3 ? 1 + 1 + (4 + 2) ? 2 * 2] = ________?

23 / 50

A gardener was asked a plant flowers in a row containing equal number of plants. He tried to plant 6, 8, 10 and 12 in each row, but 5 plants left in each case. When he planted 13 in a row, no plant was left. Find the number of plants with him?

24 / 50

A person buys an article at Rs.500. At what price should he sell the article so as to make a profit of 20%?

25 / 50

In what ratio should two varieties of sugar of Rs.18 per kg and Rs.24 kg be mixed together to get a mixture whose cost is Rs.20 per kg?

26 / 50

M:N = 3:4, N:O = 5:7 and O:P = 7:9. Then M:P =________?

27 / 50

A class has 90 students. If the ratio of boys and girls is 7:8, find the number of boys in the class.

28 / 50

If a solid sphere of radius 10 cms is moulded into 8 spherical solid balls of equal radius, then surface area of each ball (in cm2) is________?

29 / 50

Fresh fruit contains 68 % water and dry fruit contains 20 % water. How much dry fruit can be obtained from 100 kg of fresh fruits?

30 / 50

Bilal spends 45% of his monthly income on household items, 25% of his monthly income on buying cloths, 7.5% of his monthly income on medicines and saves the remaining amount which is Rs. 9000. Find his monthly income.

31 / 50

Find the lowest 4-digit number which when divided by 3, 4 or 5 leaves a remainder of 2 in each case?

32 / 50

Mahad sold an article for Rs. 18000. Had he offered a discount of 10% on the selling price, he would have earned a profit of 8%. What is the cost price of the article?

33 / 50

There are three numbers. 5/7th of the first number is equal to 48% of the second number. The second number is 1/9th of the third number. If the third number is 1125, then find 25% of the first number?

34 / 50

Find the C.I. on a sum of Rs.1600 for 9 months at 20% per annum, interest being compounded quarterly?

35 / 50

A money lender lends Rs.2000 for six months at 20% p.a. rate. It the interest is reckoned quarterly than find the amount given after time limit.

36 / 50

A and B can do a piece of work in 72 days; B and C can do it in 120 days; A and C can do it in 90 days. In what time can A alone do it ?

37 / 50

A, B and C start at the same time in the same direction to run around a circular stadium. A completes a round in 252 seconds, B in 308 seconds and C in 198 seconds, all starting at the same point. After what time will they meet again at the starting point?

38 / 50

A company has 7348 bars of soap. If the company sells 20% of its bars of soap .how many bars of soap did it sell?

39 / 50

A city has a population of 300000 out of which 180000 are males 50% of the population is illiterate if 70 % of the males are literate, then the number of literate females is_________?

40 / 50

The H.C.F and L.C.M of two numbers are 84 and 21 respectively. If the ratio of the two numbers is 1:4, then the larger of the two numbers is____________?

41 / 50

30.9 * 3000 ? 10.1 * 1100 + 8298 ? 4302 = _________?

42 / 50

What is the perimeter of a square field whose diagonal is 8?2?

43 / 50

A candidate got 35% of the votes polled and he lost to his rival by 2250 votes. How many votes were cast?

44 / 50

Atif ordered 16 chapatis, 5 plates of rice, 7 plates of mixed vegetable and 6 ice-cream cups. The cost of each chapati is Rs.6, that of each plate of rice is Rs.45 and that of mixed vegetable is Rs.70. The amount that Atif paid the cashier was Rs.961. Find the cost of each ice-cream cup?

45 / 50

Find the ratio in which rice at Rs. 7.20 a kg be mixed with rice at Rs. 5.70 a kg to produce a mixture worth Rs. 6.30 a kg.

46 / 50

Find the greatest 4-digit number exactly divisible by 3, 4 and 5?

47 / 50

The average of 10 numbers is 23. If each number is increased by 4, what will the new average?

48 / 50

A boy goes to his school from his house at a speed of 3 km / hr and returns at a speed of 2 km / hr. If he takes 5 hours in going and coming, the distance between his house and school is :___________?

49 / 50

If the height of a cone is increased by 100% then its volume is increased by_________?

50 / 50

A large tanker can be filled by two pipes A and B in 60 and 40 minutes respectively. How many minutes will it take to fill the tanker from empty state if B is used for half the time and A and B fill it together for the other half?

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