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# Mathematics Quiz 22

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Mathematics Quiz 22

1 / 50

Two numbers are in the ratio 3 : 5. If 9 is subtracted from each, the new numbers are in the ratio 12 : 23. The smaller number is :________?

2 / 50

What will be the least number which when doubled will be exactly divisible by 12, 18, 21 and 30?

3 / 50

A box contains nine bulbs out of which 4 are defective. If four bulbs are chosen at random, find the probability that all the four bulbs are defective.

4 / 50

The area of the base of a rectangular tank is 6500Sq.cm and the volume of water containing in it is 2-6 cubic meters. The depth of the water in the tank is

5 / 50

A man can row with a speed of 15 kmph in still water. If the stream flows at 5 kmph, then the speed in downstream is________?

6 / 50

A man purchases an electric heater whose printed price is 160 if he received two successive discounts of 20% and 10% he paid:

7 / 50

The average of 1st 3 of 4 numbers is 16 and of the last 3 are 15. If the sum of the first and the last number is 13. What is the last numbers?

8 / 50

(6 ? 2 * 3 + 6) / (2 + 6 * 3 ? 4) = _____________?

9 / 50

Danish his car at a speed of 120 kmph for the first 2 hours and then at a speed of 100 kmph for the next half an hour. Find the distance covered by him during the entire journey.

10 / 50

2758 + 20581 ? 17889 = ________?

11 / 50

A coin is tossed live times. What is the probability that there is at the least one tail?

12 / 50

In a test a candidate attempted only 8 Questions and secured 50% marks in each of the questions if the obtained a total of 40% in the test and all questions in the test carried equal marks, how many questions were there in the test?

13 / 50

A man sold 20 articles for Rs. 60 and gained 20%. How many articles did he buy for Rs.60?

14 / 50

The average of non-zero number and its square is 5 times the number. The number is__________?

15 / 50

Milk and water in two vessels A and B are in the ratio 4:3 and 2:3 respectively in what ratio the liquids in both the vessels should be mixed to obtain a new mixture in vessel C containing half milk and half water?

16 / 50

A dealer professing to sell at cost price uses a 900 gms weight for a kilogram. His gain percent is:________?

17 / 50

15% of 195 + 14% of 205 = _______?

18 / 50

H.C.F of 4 * 27 * 3125, 8 * 9 * 25 * 7 and 16 * 81 * 5 * 11 * 49 is___________?

19 / 50

Two pipes P and Q can fill a cistern in 12 minutes and 16 minutes respectively. Simultaneously both the pipes are opened together, then after how much time Q should be closed so that the tank is full in 9 min ?

20 / 50

What will be ratio of simple to compound interest on two same sums invested in SBP at rate of interest of 8% kept for 3 years?

21 / 50

If 25 men can eat 150 kg of wheat in 30 days then 45 men can eat 450 kg of wheat in how many days?

22 / 50

C takes 6 days to complete half of a work and D takes 5 days to complete 1/3rd of the same work. They take turns to complete the task. If C works for the first 4 days, in how many days will D complete the rest of the work without the help of C?

23 / 50

Aftab bought 65 books for Rs.1150 from one shop and 50 books for Rs.920 from another. What is the average price he paid per book ?

24 / 50

At 10 a.m. two trains started traveling toward each other from stations 287 miles apart. They passed each other at 1:30 p.m. the same day. If the average speed of the faster train exceeded the average speed of the slower train by 6 miles per hour, which of the following represents the speed of the faster train, in miles per hour?

25 / 50

While selling the watch, a shopkeeper gives a discount of 5% if he gives a discount of 7 % he earns Rs. 15 less as profit. The marked price of the watch is:

26 / 50

The sum of two numbers is 2490. If 6.5 % of one number is equal to 8.5 % of the other then the numbers are:_________?

27 / 50

???/9261 = 11/21

28 / 50

A man saves Rs. 200 at the end of each year and lends the money at 5% compound interest. How much will it become at the end of 3 years?

29 / 50

A cricketer has a certain average for 10 innings. In the eleventh inning, he scored 108 runs, there by increasing his average by 6 runs. His new average is_____________?

30 / 50

A cistern is filled by a tap in 3 1/2 hours. Due to leak in the bottom of the cistern, it takes half an hour longer to fill the cistern. If the cistern is full how long will it take the leak to empty it?

31 / 50

A rectangular carpet has an area of 120 square meters and a parameter of 46m. The length of it?s diagonals is_________?

32 / 50

Pipe A can fill a tank in 16 minutes and pipe B cam empty it in 24 minutes. If both the pipes are opened together after how many minutes should pipe B be closed, so that the tank is filled in 30 minutes?

33 / 50

7 2/5 of 110 / ? = 844

34 / 50

Find the value of a/b + b/a, if a and b are the roots of the quadratic equation x2?+ 8x + 4 = 0?

35 / 50

A sum was put a simple interest at a certain rate for 2 years. Had it been put at 4% higher rate, it would have fetched Rs. 60 more. The sum is:

36 / 50

If books bought at prices ranging from Rs. 200 to Rs. 350 are sold at prices ranging from Rs. 300 to Rs. 425. What is the greatest possible profit that might be made in selling 8 books?

37 / 50

The length and breadth of a rectangular piece of land are in the ratio of 5:3. The owner spent Rs 3000 for surroundings it from are the sides at Rs 7.50 per meter. The difference between is length and breadth is_________?

38 / 50

The product of the area of three adjacent faces of a rectangular box is equal to___________?

39 / 50

What is the ratio of Faheem?s salary to Imran?s salary to Naveed?s salary if Faheem makes 80,000 rupees ,Imran 70,000 rupees and Naveed makes 50,000 rupees ?

40 / 50

The perimeter of circle field and a square field are equal. If the area of these square field is 12100m2, the area of a circular field will be_________?

41 / 50

Find the one which does not belong to that group ?

42 / 50

22004 ? 29303 + 101299 ? 59532 = _________?

43 / 50

1095/1168 when expressed in simplest form is:

44 / 50

Find the one which does not belong to that group ?

45 / 50

If the roots of a quadratic equation are 20 and -7, then find the equation?

46 / 50

A sum of money placed at compound interest doubles itself in 5 years in how many years it would to 8 times of itself at the same rate of interest?

47 / 50

Find the one which does not belong to that group ?

48 / 50

When the price of a toy was increased by 20 % of the number of toys sold was decreased by 15 %. What was the effect on the sales of the shop?

49 / 50

A boat covers a distance of 30 km in 2 ? hours running downstream while returning it covers the same distance in 3 ? hours. What is the speed of the boat in still water?

50 / 50

A man sold two houses for Rs. 7.8 lakhs each. On the one, he gained 5% and on the other, he lost 5%. What percent is the effect of the sale on the whole?