Mathematics Quiz 21
1 / 50
10 books are placed at random in a shelf. The probability that a pair of books will always be together is_________?
2 / 50
By selling 99 pens, a trader gains the cost of 33 pens. Find his gain percentage?
3 / 50
The smallest fraction, which each of 6/7, 5/14, 10/21 will divide exactly is_________?
4 / 50
A deposited Rs 6000 in a bank at 5% Per annum simple interest. B deposited Rs 5000 at 8% P.a Compound interest. After 2 years the difference between their interest will be:_________?
5 / 50
H.C.F of 3240, 3600 and a third number is 36 and their L.C.M is 24?* 35?* 52?* 72. The third number is___________?
6 / 50
Find the least number which when divided by 6, 7, 8, 9 and 10 leaves 1, 2, 3, 4 and 5 as remainders respectively, but when divided by 19 leaves no remainder?
7 / 50
The percentage profit earned by selling an article for Rs. 1920 is equal to the percentage loss incurred by selling the same article for Rs. 1280. At what price should the article be sold to make 25% profit?
8 / 50
By selling an article at Rs.600, a profit of 25% is made. Find its cost price?
9 / 50
Three persons invested Rs.9000 in a joint business. The second person invested Rs.1000 more than the first and the third Rs.1000 more than second. After two years, they gained Rs.5400. How much third person will get?
10 / 50
A wheel makes 1000 revolutions is covering a distance of 88 km. the diameter of the wheel is
11 / 50
Find the one which does not belong to that group ?
12 / 50
Pipes A and B can fill a tank in 5 and 6 hours respectively. Pipe C can empty it in 12 hours. If all the three pipes are opened together, then the tank will be filled in?
13 / 50
An automobile financier claims to be lending money at simple interest, but he includes the interest every six months for calculating the principal. If he is charging an interest of 10%, the effective rate of interest becomes :_________?
14 / 50
Three towns X, Y, and Z are on a river which flows uniformly. Y is equidistant from X and Z. If a boats man rows from X to Y and back in 10 hours and X to Z in 4 hours, find the ratio of speed of the boats man in still water to the speed of the current.
15 / 50
If A got 80 marks and B got 60 marks, then what percent of A?s mark is B?s mark?
16 / 50
An article is bought for Rs.600 and sold for Rs.500, find the loss percent?
17 / 50
How many minimum number?s of whole square slabs are required for paving the floor 12.96 meters long and 3.84 meters side?
18 / 50
The average weight of a group of persons increased from 48 kg to 51 kg, when two persons weighing 78 kg and 93 kg join the group. Find the initial number of members in the group?
19 / 50
If Rs. 10 be allowed as true discount on a bill of Rs. 110 due at the end of a certain time, then the discount allowed on the same sum due at the end of double the time is:
20 / 50
A dishonest dealer claims to sell his goods at the cost price but uses a false weight of 900 gm for 1 kg what is his gain percent?
21 / 50
If six persons sit in a row, then the probability that three particular persons are always together is____________?
22 / 50
A and B rent a pasture for 10 months. A put in 80 cows for 7 months. How many can B put in for the remaining 3 months, if he pays half as much again as A?
23 / 50
An officer was appointed on maximum daily wages on contract money of Rs. 4956. But on being absent for some days, he was paid only Rs. 3894. For how many days was he absent?
24 / 50
The salary of Mr. X is 30% more than that of Mr. Y . Find what percent of Mr. Y?s salary is less than Mr. X?s?
25 / 50
The sum of the length breadth and depth of cuboid is 19cm and it?s diagonal is 5?5 cm it?s surface area is_________?
26 / 50
An article was sold after a discount of 20% and there was a gain of 20%. If the profit made on it was Rs. 6 less than the discount offered on it, find its selling price?
27 / 50
A rectangular farm has to be fenced one long side, one short side and the diagonal. If the cost of fencing is Rs.10 per meter. The area of farm is 1200 m2 and the short side is 30 m long. How much would the job cost?
28 / 50
The length of rectangle is thrice its breadth and its perimeter is 96 m, find the area of the rectangle?
29 / 50
Raees credits 15 % of his salary in this fixed deposit account and spends 30 % of the remaining amount on groceries if the cash in hand is Rs. 2380, what is his salary?
30 / 50
If two mixers and one T.V cost Rs. 7000. While two T.V s and one mixer cost Rs. 9800. The value of one T.V is:_________?
31 / 50
HCF and LCM two numbers are 12 and 396 respectively. If one of the numbers is 36, then the other number is_______?
32 / 50
If the side of a square is increased by 25 %. Then its area is increased by:__________?
33 / 50
The L.C.M. of two numbers is 48. The numbers are in the ratio 2 : 3. Then sum of the number is_________?
34 / 50
Aleem buys 4 horses and 9 cows for Rs. 13,400. If he sells the horses at 10% profit and the cows at 20% profit, then he earns a total profit of Rs. 1880. The cost of a horse is:_________?
35 / 50
Farjan and Kashif can complete a task in 30 days. Farjan leaves after 20 days and Kashif alone completes it in another 25 days. How many days does Farjan alone take to complete the entire task?
36 / 50
The area of a base of a cone is 30 cm2. If the height of the cone is 6cm, find its volume?
37 / 50
43% of 784 = ________?
38 / 50
A team of eight entered for a shooting competition. The best marks man scored 85 points. If he had scored 92 points, the average scores for. The team would have been 84. How many points altogether did the team score?
39 / 50
The length of a rectangle is increased by 60 %. By what percent would the width have to be decreased to maintain the same area?
40 / 50
A sum of money deposited at C.I. amounts to Rs.2420 in 2 years and to Rs.2662 in 3 years. Find the rate percent?
41 / 50
The average weight of A, B and C is 45 kg. If the average weight of A and B be 40 kg and that of B and C be 43 kg, then the weight of B is___________?
42 / 50
The circumferences of two concentric circles are 176 m and 132 cm respectively. What is the difference between their radii?
43 / 50
The volume of a cube is 1728 cc. Find its surface.
44 / 50
Find the annual income derived from Rs. 2500, 8% stock at 106.
45 / 50
In a college election, a candidate secured 62 % of the votes and is elected by a majority of 144 votes. The total number of votes polled is:________?
46 / 50
If the interest is payable annually than the principal on which the compound interest for 3 years at 10% P.a is Rs 33/- is given by:__________?
47 / 50
48 / 50
A reduction of 25% in the price of oil enables a house wife to obtain 5kgs more for Rs.800, what is the reduced price for kg?
49 / 50
?3584 * 52.034 = _______?
50 / 50
The radius of the base of cone is 3 cm and height is 4 cm. Find the volume of the cone?
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