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# Mathematics Quiz 14

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Mathematics Quiz 14

1 / 50

If X and Y complete a certain work in 10 days, Y and Z in 16 days and X and Z in 22 days, find the time required for each one to complete the work while working separately.

2 / 50

A and B can together do a piece of work in 15 days. B alone can do it in 20 days. In how many days can A alone do it ?

3 / 50

There are four prime numbers written in ascending order of magnitude. The product of the first three is 7429 and of the last three is 12673. Find the fourth number?

4 / 50

The cost of 16 pens and 8 pencils is Rs.352 and the cost of 4 pens and 4 pencils is Rs.96. Find the cost of each pen?

5 / 50

The areas of the three adjacent faces of a rectangular box which meet in a point are known. The product of these areas is equal to :___________?

6 / 50

Three 6 faced dice are thrown together. The probability that no two dice show the same number on them is__________?

7 / 50

Find the H.C.F of 12, 16, 18 and 24?

8 / 50

Find the value of x when y = 5, if x varies directly as 4y-1 and x = 14 when y = 2.

9 / 50

The radius of a circular wheel is 1.75 m, how many revolutions will it make in traveling 1 km?

10 / 50

(0.456 * 0.456 ? 0.228 * 0.228) / (0.456 + 0.228) = ________?

11 / 50

Six points are marked on a straight line and five points are marked on another line which is parallel to the first line. How many straight lines, including the first two, can be formed with these points?

12 / 50

Find the cost of 96 shares of Rs. 10 each at (3/4) discount, brokerage being(1/4) per share.

13 / 50

The average age of three boys is 15 years and their ages are in proportion 3:5:7. What is the age in years of the youngest boy?

14 / 50

The cost of 2 chairs and 3 tables is Rs.1300. The cost of 3 chairs and 2 tables is Rs.1200. The cost of each table is more than that of each chair by__________?

15 / 50

One Gross is equal to___________?

16 / 50

Find the one which does not belong to that group ?

17 / 50

The salary of a worker is first increased by 30% and afterwards reduced by 30%. What is net change in his salary?

18 / 50

What will be the difference between simple and compound interest at 10% per annum on a sum of Rs. 1000 after 4 years?

19 / 50

Which one of the following has a greater perimeter than the rest?

20 / 50

What is the probability that a leap year has 53 Sundays and 52 Mondays?

21 / 50

The ratio of the radius of two circles is 1: 3, and then the ratio of their areas is_________?

22 / 50

The length of a rectangle is twice its breadth, if length is decreased by 5 cm and the breadth is increased by 5 cm. The length of the rectangle is_________?

23 / 50

What is the difference between the C.I. on Rs. 5000 for 1 1/2 years at 4% per annum compounded yearly and half-yearly?

24 / 50

If x% of 200=y% of 250, find y:x.

25 / 50

How much would a sum of Rs 16000 approximately amount to in 2 years at 10% P.a compounded half-yearly?

26 / 50

Find the income derived from 88 shares of Rs. 25 each at 5 premium, brokerage being (1/4) per share and the rate of dividend being 7(1/2) % per annum.

27 / 50

Yalmaz can cover a distance of 400 metres in 2 minutes. Rayan can cover 1 km in 300 seconds. Find the ratio of their speeds.

28 / 50

A water tank is two-fifth full. Pipe A can fill a tank in 10 minutes and pipe B can empty it in 6 minutes. If both the pipes are open, how long will it take to empty or fill the tank completely?

29 / 50

4 * 0.4 * 0.04 * 0.004 = _________?

30 / 50

The sum of four consecutive even numbers is 292. What would be the smallest number?

31 / 50

A:B=2:3, B:C=3:4, A:D=4:5. Find C:D.

32 / 50

By investing Rs. 1620 in 8% stock, Maria earns Rs. 135. The stock is then quoted at:_________?

33 / 50

Rehman mixed 24 kg of butter at Rs. 150 per kg with 36 kg butter at the rate of Rs. 125 per kg. At what price per kg should he sell the mixture to make a profit of 40% in the transaction?

34 / 50

There are two identical red, two identical black, and two identical white balls.In how many different ways can the balls be placed in the cells (Each cell to contain one ball) shown above such that balls of the same colour do not occupy any two consecutive cells?

35 / 50

Amir saves 32% of his monthly salary. If he spends Rs. 27200, then find his savings?

36 / 50

A and B start a business with Rs.6000 and Rs.8000 respectively. Hoe should they share their profits at the end of one year?

37 / 50

Solve the equation for x : 19(x + y) + 17 = 19(-x + y) ? 21

38 / 50

An order was placed for the supply of a carper whose length and breadth were in the ratio of 3 : 2. Subsequently, the dimensions of the carpet were altered such that its length and breadth were in the ratio 7 : 3 but were was no change in its parameter. Find the ratio of the areas of the carpets in both the cases.

39 / 50

The speed of a boat in still water is 5 km/hr, it can go 30km upstream and return downstream to the original point in 4 hours 30 min. The speed of the stream is_______?

40 / 50

Two trains 140 metres and 120 metres are running in the same direction with speeds 40 kmph and 60 kmph respectively. In what time will the faster train pass the slower one?

41 / 50

The Compound interest on Rs 16000 for 9 months at 20% P.a compounded quarterly is:__________?

42 / 50

Find the one which does not belong to that group ?

43 / 50

The compound interest on a certain sum of money for 2 years at 10 % per annum is Rs.420. The simple interest on the same sum at the same rate and for the same time will be_______?

44 / 50

A rectangular lawn of dimensions 80 m * 60 m has two roads each 10 m wide running in the middle of the lawn, one parallel to the length and the other parallel to the breadth. What is the cost of traveling the two roads at Rs.3 per sq m?

45 / 50

The C.I. on a certain sum for 2 years Rs.41 and the simple interest is Rs.40. What is the rate percent?

46 / 50

Find the one which does not belong to that group ?

47 / 50

Two vessels P and Q contain 62.5% and 87.5% of alcohol respectively. If 2 litres from vessel P is mixed with 4 litres from vessel Q, the ratio of alcohol and water in the resulting mixture is_______?

48 / 50

If the numerator of a fraction is increased by 250 % and the denominator is increased by 400 % the resultant fraction is 7/19. What is the original fraction?

49 / 50

In a regular week, there are 5 working days and for each day, the working hours are 8. A man gets Rs. 2.40 per hour for regular work and Rs. 3.20 per hours for overtime. If he earns Rs. 432 in 4 weeks, then how many hours does he work for______?

50 / 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 at the same rate and for the same time?