Mathematics Quiz 18

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Mathematics Quiz 18

1 / 50

The sum of cubes of two numbers is 280. If the numbers are in the ratio 2:3, find the smallest number.

2 / 50

If the side of a square is increased by 30 %. Its area is increased by:_________?

3 / 50

If the height of a pole is 2?3 metres and the length of its shadow is 2 metres, find the angle of elevation of the sun.

4 / 50

If the length of diagonal AC of a square ABCD is 5.2 cm then area of the square ABCD is_________?

5 / 50

Find the one which does not belong to that group ?

6 / 50

105 * 99 * 299 = _________?

7 / 50

The total marks obtained by a student in Mathematics and Physics is 60 and his score in Chemistry is 20 marks more than that in Physics. Find the average marks scored in Mathematics and Chemistry together.

8 / 50

Three pipes A, B and C can fill a tank from empty to full in 30 minutes, 20 minutes and 10 minutes respectively. When the tank is empty, all the three pipes are opened. A, B and C discharge chemical solutions P, Q and R respectively. What is the proportion of solution R in the liquid in the tank after 3 minutes?

9 / 50

Find the one which does not belong to that group ?

10 / 50

The average weight of 16 boys in a class is 50.25 kg and that of the remaining 8 boys is 45.15 kg. Find the average weights of all the boys in the class.

11 / 50

X and Y started a business with capitals Rs. 20000 and Rs. 25000. After few months Z joined them with a capital of Rs. 30000. If the share of Z in the annual profit of Rs. 50000 is Rs. 14000, then after how many months from the beginning did Z join?

12 / 50

Two pipes A and B can fill a tank in 4 and 5 hours respectively. If they are turned up alternately for one hour each, the time taken to fill the tank is?

13 / 50

A shopkeeper loses 15%, if an article is sold for Rs. 102. What should be the selling price of the article to gain 20%?

14 / 50

P can finish a work in 18 days. Q can finish the same work in 15 days. Q worked for 10 days and left the job. how many days does P alone need to finish the remaining work?

15 / 50

In a race of 1000 m, A can beat by 100 m, in a race of 800m, B can beat C by 100m. By how many meters will A beat C in a race of 600 m?

16 / 50

What are Prime Numbers?

17 / 50

What will be the ratio of simple interest earned by certain amount at the same rate of interest for 6 years and that for 9 years ?

18 / 50

25 * 25 / 25 + 15 * 40 = ________?

19 / 50

There are 30 people in a group. If all shake hands with one another , how many handshakes are possible?

20 / 50

A boatman goes 2 km against the current of the stream in 1 hour and goes 1 km along the current in 10 minutes. How long will he take to go 5km in stationery water?

21 / 50

The ratio of the cost price and the selling price is 4:5. The profit percent is:__________?

22 / 50

80 is what percent of 64?

23 / 50

A shopkeeper purchased 70 kg of potatoes for Rs. 420 and sold the whole lot at the rate of Rs. 6.50 per kg. What will be his gain percent?

24 / 50

Two numbers X and Y are respectively 20% and 28% less than a third number Z. By what percentage is the number Y less than that of the number X?

25 / 50

What is the rate of interest at which Rs.150 becomes Rs. 220 in 10 years.

26 / 50

Find the roots of quadratic equation: x2?+ x ? 42 = 0?

27 / 50

A sum of money invested at C.I. amounts to Rs. 800 in 3 years to Rs. 840 in 4 years. The rate of interest per annum is______?

28 / 50

Find the one which does not belong to that group ?

29 / 50

The length of each side of an equilateral triangle having an area of 4?3 cm2?is_______?

30 / 50

Find the one which does not belong to that group ?

31 / 50

Find the one which does not belong to that group ?

32 / 50

A box contains 3 blue marbles, 4 red, 6 green marbles and 2 yellow marbles. If three marbles are picked at random, what is the probability that they are all blue?

33 / 50

Sharjeel has a container which has a mixture of wine and water in it. Wine and water are in the ratio 4:1. Sharjeel spills some of the mixture by accident. He then replaces the spilled amount with water of same quantity. But now the wine to water ratio became 3:2. How much water did Sharjeel add?

34 / 50

Find the one which does not belong to that group ?

35 / 50

In what ratio must water be mixed with milk to gain 16 2/3 % by selling the mixture at cost price?

36 / 50

Two tests had the same maximum mark. The pass percentages in the first and the second test were 40% and 45% respectively. A candidate scored 216 marks in the second test and failed by 36 marks in that test. Find the pass mark in the first test?

37 / 50

Compound interest earned on a sum for the second and the third years are Rs.1200 and Rs.1440 respectively. Find the rate of interest?

38 / 50

If Afnan drives at 4/5th of his usual speed to his office, he is 6 minutes late. What is his usual time to reach his office?

39 / 50

The current of a stream runs at the rate of 4 kmph. A boat goes 6 km and back to the starting point in 2 hours, then find the speed of the boat in still water?

40 / 50

What percentage of numbers from 1 to 70 have squares that end in the digit 1?

41 / 50

A rectangular field 30 m long and 20 m broad. How much deep it should be dug so that from the earth taken out, a platform can be formed which is 8 m long, 5.5 m broad and 1.5 m high where as the earth taken out is increase by 10/5?

42 / 50

If four coins are tossed, the probability of getting two heads and two tails is__________?

43 / 50

The simple interest and the true discount on a certain sum for a given time and at a given rate are Rs. 85 and Rs. 80 respectively. The sum is:_______?

44 / 50

When the Price of fans was reduced by 20 %. The number of fans sold increased by 40 %. What was the effect on the sales of rupees?

45 / 50

A pump can fill a tank with water in 2 hours. Because of a leak, it took 2 1/3 hours to fill the tank. The leak can drain all the water of the tank in?

46 / 50

A person purchases 90 clocks and sells 40 clocks at a gain of 10% and 50 clocks at a gain of 20%. If he sold all of them at a uniform profit of 15%, then he would have got Rs. 40 less. The cost price of each clock is:_________?

47 / 50

Three pipes A, B and C can fill a tank in 6 hours. After working at it together for 2 hours. C is closed A and B can fill the remaining par in 7 hours. The number of hours taken by C alone to fill the tank is?

48 / 50

What is the total surface area of a right circular cone of height 14 cm and base radius 7 cm?

49 / 50

The difference between a discount of 40% on Rs. 500 and two successive discount of 36% and 4% on the same amount is:________?

50 / 50

A boat goes 24 km downstream in 10 hours, it takes 2 hours more to cover the same distance against the stream. What is the speed of the boat in still water?

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