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# Mathematics Quiz 31

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Mathematics Quiz 31

1 / 50

There are two numbers. If 40% of the first number is added to the second number, then the second number increases to its five-fourth. Find the ratio of the first number to the second number?

2 / 50

The owner of a furniture shop charges his customer 24% more than the cost price. If a customer paid Rs. 8339 for a computer table, then what was the cost price of the computer table?

3 / 50

A man buys two articles for Rs.1980 each and he gains 10% on the first and loses 10% on the next. Find his total gain or loss percent?

4 / 50

Find the number which when multiplied by 15 is increased by 196.

5 / 50

If the base of rectangle is increased by 10 % and the area is unchanged then the corresponding altitude must be decreased by:________?

6 / 50

[(7 * 9) + (2 * 12) + 3]/[(12 * 3) + (81/9)] = ______?

7 / 50

Two tailors X and Y are paid a total of Rs. 550 per week by their employer. If X is paid 120 percent of the sum paid to Y, how much is Y paid per week?

8 / 50

If the sides of two cubes are in the ratio 3: 1 the ratio of their total surface area is?

9 / 50

A property decreases in value every year at the rate of 6 1/4% of its value at the beginning of the year its value at the end of 3 years was Rs.21093. Find its value at the beginning of the first year?

10 / 50

Find the Compound Interest on Rs. 15,625 for 9 months at 16% per annum compounded quarterly?

11 / 50

Kashif and Nadeem jointly started a business. Kashif invested three times as Nadeem did and invested his money for double time as compared to Nadeem. Nadeem earned Rs. 4000. If the gain is proportional to the money invested and the time for which the money is invested then the total gain was?

12 / 50

In a series of six consecutive even numbers, the sum of the second and sixth numbers is 24. What is the fourth number?

13 / 50

The G.C.D of 1.08, 0.36 and 0.9 is________?

14 / 50

The area of a triangle is with base 4m and height 5m?

15 / 50

In an election only two candidates contested. A candidate secured 70% of the valid votes and won by a majority of 172 votes. Find the total number of valid votes?

16 / 50

If 17xy+7 =19xy ,then 4xy = ?

17 / 50

The principal that amounts to Rs. 4913 in 3 years at 6 1/4 % per annum C.I. compounded annually, is_________??

18 / 50

By selling 12 oranges for one rupee, a man loses 20%. How many for a rupee should he sell to get a gain of 20%?

19 / 50

The length and breadth of a rectangle is increased by 10% and 25% respectively. What is the increase in the area?

20 / 50

If 25% of x is 15 less than 15% of 1500, then x is?

21 / 50

A and B are two fixed points 5 cm apart and c is a point on AB such that AC = 3 cm. If the length of AC is increased by 6 % the length of CB is decreased by:_________?

22 / 50

When 5% is lost in grinding wheat, a country has to import 20 million bags; but when only 2% is lost, it has to import only 15 million bags. Find the quantity of wheat, which grows in the country?

23 / 50

Two numbers are less than q third number by 30 % and 37 % respectively. How much percent is the second number less than the first?

24 / 50

A cistern can be filled by a tap in 4 hours while it can be emptied by another tap in 9 hours. If both the taps are opened simultaneously, then after how much time will the cistern get filled?

25 / 50

The areas of two similar triangles are 12 cm2 and 48SQ. cm .If the height of the smaller one is 2.1cm than the corresponding height of the bigger one is_________?

26 / 50

A can give B 100 meters start and C 200 meters start in a kilometer race. How much start can B give C in a kilometer race?

27 / 50

What is the diameter of a wheel that makes 113 revolution to go 2km 26 decametre?

28 / 50

The tens digit of a two-digit number is two more than its unit digit. The two-digit number is 7 times the sum of the digits. Find the units digits?

29 / 50

60 + 5 * 12 / (180/3) = _______?

30 / 50

If a card is drawn from a well shuffled pack of cards, the probability of drawing a spade or a king is__________?

31 / 50

parallelogram has sides 60 m and 40 m and one of its diagonals is 80 m long then its area is:__________?

32 / 50

An article is bought for Rs.675 and sold for Rs.900, find the gain percent?

33 / 50

{20 ? [7 ? (3 -2)] + 1/3 (4.2)} / 1.4 = ________?

34 / 50

The average age of 8 men increases by 2 years when two women are included in place of two men of ages 20 and 24 years. Find the average age of the women?

35 / 50

LCM of two numbers is 138. But their (Greatest common divisor) GCD is 23. The numbers are in a ratio 1:6. Which is the largest number amongst the two?

36 / 50

Two pipes A and B can separately fill a cistern in 60 min and 75 min respectively. There is a third pipe in the bottom of the cistern to empty it. If all the three pipes are simultaneously opened, then the cistern is full in 50 min. In how much time, the third pipe alone can empty the cistern?

37 / 50

(64 + 9 + 9) / (2 * 20 + 1) = _______?

38 / 50

P works twice as fast as Q. If Q alone can complete a work in 12 days, P and Q can finish the work in________days

39 / 50

A cylinder and a cone have a same height and same radius of the base. The ratio between the volumes of the cylinder and cone is__________?

40 / 50

Moons salary was first increased by 20% and then decreased by 20%. If his present salary is Rs. 7200, then what was his original salary?

41 / 50

Find the one which does not belong to that group ?

42 / 50

A car gives a mileage of 20 km per liter of petrol when driven at a constant speed of 50 kmph but the mileage decreases by 10% when driven at a speed of 70 kmph. How many km can the car travel with 12 liters of petrol if it travels a speed of 70 kmph?

43 / 50

P and Q can do a work in 30 days. Q and R can do the same work in 24 days and R and P in 20 days. They started the work together, but Q and R left after 10 days. How many days more will P take to finish the work?

44 / 50

Find the one which does not belong to that group ?

45 / 50

Find the one which does not belong to that group ?

46 / 50

In a town 45% population read magazine A, 55% magazine B, 40% read Magazine C, 30% read magazines A and B, 15% read magazines B and C, 25% read magazines A and C and 10% read all the three magazines. What percentage do not read any magazine?

47 / 50

Two pipes A and B together can fill a cistern in 4 hours. Had they been opened separately, then B would have taken 6 hours more than A to fill cistern. How much time will be taken by A to fill the cistern separately?

48 / 50

A box contains 3 blue marbles, 4 red, 6 green marbles and 2 yellow marbles. If four marbles are picked at random, what is the probability that none is blue?

49 / 50

The length of the wire of 0.2mm radius that can be drawn after melting a solid copper sphere of diameter 18cm?

50 / 50

Pipe A can fill a tank in 6 hours. Due to a leak at the bottom, it takes 9 hours for the pipe A to fill the tank. In what time can the leak alone empty the full tank?