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# Mathematics Quiz 12

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Mathematics Quiz 12

1 / 50

Calculate the number of bricks, each measuring 25 cm * 15 cm * 8 cm required to construct a wall of dimensions 10 m * 4 m * 5 m when 10% of its volume is occupied by mortar?

2 / 50

In a game of billiards, A can give B 20 points in 60 and he can give C 30 points in 60. How many points can B give C in a game of 100?

3 / 50

Find the area of a rhombus whose side is 25 cm and one of the diagonals is 30 cm?

4 / 50

A box contains nine bulbs out of which 4 are defective. If four bulbs are chosen at random, find the probability that at least one bulb is good.

5 / 50

6 of 5/8 / 5/8 ? 1/8 = ______?

6 / 50

The least number of four digits which is divisible by 4, 6, 8 and 10 is_________?

7 / 50

The ratio of the volumes of two cubes is 729 : 1331. What is the ratio of their total surface areas?

8 / 50

The difference between compound and simple interest on a certain sum of money for 3 years at 6 2/3% p.a is Rs.184. Find the sum?

9 / 50

2222.2 + 222.22 + 22.222 = ________?

10 / 50

252 can be expressed as a product of primes as_______________?

11 / 50

The average of four positive integers is 69. The highest integer is 93 and the least integer is 39. The difference between the remaining two integers is 28. Which of the following integers is the higher of the remaining two integers?

12 / 50

A trader marked the price of the T.V. 30% above the cost price of the T.V. and gave the purchaser 10% discount on the marked price, thereby gaining Rs.340. Find the cost price of the T.V?

13 / 50

The altitude of an equilateral triangle of side 2?3 cm is_________?

14 / 50

A man sells 320 mangoes at the cost of 400 mangoes. His gain percent is:_________?

15 / 50

If the diameter of a circle is increased by 100 % its area is increased by:_________?

16 / 50

Jameel invested an amount of Rs.17400 for two years. Find the rate of compound interest that will fetch him an amount of Rs.1783.50 at the end of two years?

17 / 50

In a journey of 24 miles, two thirds of the distance was travelled with a speed of 40 mph and the remaining with 60 mph. How much time did the journey take?

18 / 50

Four bells begin to toll together respectively at the intervals of 8, 10, 12 and 16 seconds. After how many seconds will they toll together again?

19 / 50

In 50 gm alloy of gold and silver the gold is 80 % by weight. How much gold should be mixed with this alloy so that the weight of gold would become 95 %?

20 / 50

A man gets a simple interest of Rs.500 on a certain principal at the rate of 5% p.a in two years. Find the compound interest the man will get on twice the principal in two years at the same rate.

21 / 50

2 + [2 + {2 + (2 + (2 + 23)}] = _____?

22 / 50

Nine men went to a hotel. Eight of them spent Rs.3 each over their meals and the ninth spent Rs.2 more than the average expenditure of all the nine. Determine the total money spent by them?

23 / 50

Walking 6/7th of his usual speed, a man is 12 minutes too late. What is the usual time taken by him to cover that distance?

24 / 50

A tank is filled in 5 hours by three pipes A, B and C The pipe C is twice as fast as B and B is twice as fast as C How much time will pipe A alone take to fill the tank?

25 / 50

A, B and C enter into a partnership. They invest Rs. 40,000, Rs. 80,000 and Rs. 1,20,000 respectively. At the end of the first year, B withdraws Rs. 40,000, while at the end of the second year, C withdraws Rs. 80,000. IN what ratio will the profit be shared at the end of 3 years?

26 / 50

Total area of the 64 small squares of aches board is 400cm2. There is 3cm wide border around the chess board. What is the length of each side of the chess board?

27 / 50

The number of sequences in which 7 players can throw a ball, so that the youngest player may not be the last is -.

28 / 50

A vessel of capacity 90 litres is fully filled with pure milk. Nine litres of milk is removed from the vessel and replaced with water. Nine litres of the solution thus formed is removed and replaced with water. Find the quantity of pure milk in the final milk solution?

29 / 50

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

30 / 50

A 9% stock yields 8%. The market value of the stock is__________?

31 / 50

In a kilometer race, A beats B by 50 meters or 10 seconds. What time does A take to complete the race?

32 / 50

The average age of seven persons sitting in a row facing east is 28 years. If the average age of the first three persons is 21 years and the average age of the last three persons is 34 years, then find the age of the person sitting in the middle of the row?

33 / 50

0.003 * ? * 0.0003 = 0.00000027

34 / 50

Find the roots of the quadratic equation: x2 + 2x ? 15 = 0?

35 / 50

The dimensions of a room are 25 feet * 15 feet * 12 feet. What is the cost of white washing the four walls of the room at Rs. 5 per square feet if there is one door of dimensions 6 feet * 3 feet and three windows of dimensions 4 feet * 3 feet each?

36 / 50

A rectangular grass field is 75 m * 55 m, it has a path of 2.5 m wide all round it on the outside. Find the area of the path and the cost of constructing it at Rs.2 per sq m?

37 / 50

The perimeter of a floor of a room is 18m.What is the area of four walls of the room if it; a height is 3m?

38 / 50

??216400 + ?280 + ?322 = ________?

39 / 50

A started a business with an investment of Rs. 70000 and after 6 months B joined him investing Rs. 120000. If the profit at the end of a year is Rs. 52000, then the share of B is?

40 / 50

If X can run 48m and Y 42m, then in a race of 1km, X beats Y by:_________?

41 / 50

Machine P can print one lakh books in 8 hours. Machine Q can print the same number of books in 10 hours while machine R can print the same in 12 hours. All the machines started printing at 9 A.M. Machine P is stopped at 11 A.M. and the remaining two machines complete work. Approximately at what time will the printing of one lakh books be completed?

42 / 50

The difference between a number and its two-fifth is 510. What is 10% of that number?

43 / 50

Tarun bought a T.V with 20% discount on the labelled price. Had he bought it with 25% discount? He would have saved Rs. 500. At what price did he buy the T.V?

44 / 50

Kamal will complete work in 20 days. If Suresh is 25% more efficient than Kamal, he can complete the work in________days.

45 / 50

The perimeter of a rhombus is 68 cm and one of its diagonals is 16 cm. Find its area?

46 / 50

421 * 0.9 + 130 * 101 + 10000 = ___________?

47 / 50

The area of the cardboard(in cm2) needed to make a box of size 25 cm * 15 cm * 8 cm will be__________?

48 / 50

A cuboidal, block of 6 cm X 9 cm X 12 cm is cut up into an exact number of equal cubes. The least possible number of cubes will be_________?

49 / 50

Twelve children take sixteen days to complete a work which can be completed by 8 adults in 12 days. After working for 3 days, sixteen adults left and six adults and four children joined them. How many days will they take to complete the remaining work ?

50 / 50

A cistern which could be filled in 9 hours takes one hour more to be filled owing to a leak in its bottom. If the cistern is full in what time will the leak empty it?

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