Mathematics Quiz 24
1 / 50
The ratio of the number of boys and girls in a college is 7 : 8. If the percentage iikcrease in the number of boys and girls be 20% and 10% respectively, what will be the new ratio ?
2 / 50
A boat is rowed downstream at 15.5km/hr and upstream at 8.5 km/hr. The speed of the stream is________?
3 / 50
The price of an article has been reduced by 25%. In order to restore the original price the new price must be increased by________?
4 / 50
The surface of a cube is 24sq cm. Find its volume?
5 / 50
A man invests in a 16% stock at 128. The interest obtained by him is:____________?
6 / 50
If the sum of a number and its square is 182, what is the number ?
7 / 50
The area of a square field is 6050 Sq.m.The length of it diagonal is_________?
8 / 50
If the average marks of three batches of 55, 60 and 45 students respectively is 50, 55, 60, then the average marks of all the students is:
9 / 50
A boat takes half time in moving a certain distance downstream than upstream. What is the ratio between the rate in still water and rate of current?
10 / 50
A large cube is formed from the material obtained by melting three smaller cubes of 3, 4 and 5 cm side. What is the ratio of the total surface areas of the smaller cubes and the large cube?
11 / 50
The compound interest on Rs. 30,000 at 7% per annum is Rs. 4347. The period(in years) is_________?
12 / 50
The least number of complete years in which a sum of money put out at 20% C.I. will be more than doubled is_________?
13 / 50
If the average marks of three batches of 55, 60 and 45 students respectively is 50, 55, 60, then the average marks of all the students is__________?
14 / 50
The length of a rectangular room is 4 meters. If it can be partitioned into two equal square rooms. What is the length of each partition in meters:________?
15 / 50
The Ratio of the length and breadth of a plot is 3:2 .If the breadth is 40m less than the what is the parameter of the plot?
16 / 50
What percent of 125 is 16?
17 / 50
A two number committee comprising of one male and the female number is to be constituted out of five male and 3 females. Amongst the females, Ms. A refused to be number committee in which Mr.B is taken as the number of how many different ways can the committee be constituted?
18 / 50
A vessel contains 20 liters of a mixture of milk and water in the ratio 3:2. 10 liters of the mixture are removed and replaced with an equal quantity of pure milk. If the process is repeated once more, find the ratio of milk and water in the final mixture obtained?
19 / 50
You deposit $600 into a 6 month certificate of deposit. After 6 months the balance is $618. Find the simple annual interest rate
20 / 50
The effective annual rate of interest corresponding to a nominal rate of 6% per annum payable half-yearly is________?
21 / 50
Find the 37.5% of 976 =_______?
22 / 50
A circular wire of radius 42 cm is cut and bent in the form of a rectangle whose sides are in the ration of 6:5 The smaller side if the rectangle is:_________?
23 / 50
A man rows his boat 85 km downstream and 45 km upstream, taking 2 1/2 hours each time. Find the speed of the stream?
24 / 50
In a mixture of milk and water, the proportion of milk by weight was 80%. If, in a 180 gm mixture, 36 gms of pure milk is added, what would be the percentage of milk in the mixture formed?
25 / 50
Find the greatest number that exactly divides 35, 91 and 840?
26 / 50
A man invested Rs. 1552 in a stock at 97 to obtain an income of Rs. 128. The dividend from the stock is__________?
27 / 50
The cost price of a radio is Rs.1500 and it was sold for Rs.1230, find the loss %?
28 / 50
The least number which when diminished by 7 is divisible by 21, 28, 36 and 45 is________?
29 / 50
Rs. 6000 is lent out in two parts. One part is lent at 7% p.a simple interest and the other is lent at 10% p.a simple interest. The total interest at the end of one year was Rs. 450. Find the ratio of the amounts lent at the lower rate and higher rate of interest?
30 / 50
The effective annual rate of interest corresponding to a nominal rate of 6% per annum payable half yearly is:_______?
31 / 50
Rs.8000 become Rs.9261 in a certain interval of time at the rate of 5% per annum of C.I. Find the time?
32 / 50
Three taps A, B and C can fill a tank in 12, 15 and 20 hours respectively. If A is open all the time and B and C are open for one hour each alternately, the tank will be full in_________?
33 / 50
A shopkeeper sells 20% of his stock at 10% profit ans sells the remaining at a loss of 5%. He incurred an overall loss of Rs. 400. Find the total worth of the stock?
34 / 50
What will be the compound interest on a sum of Rs. 25,000 after 3 years at the rate of 12% p.a.?
35 / 50
What is the length of the longest pole which can be kept in a room 12 m long, 4 m broad and 3 m high?
36 / 50
The edge of three cubes of metal is 3 dm, 4 dm and 5 dm. They are melted and formed into a single cube. Find the edge of the new cube?
37 / 50
In a race, a car travelled at a speed of 150 kmph. If it had travelled at 180 kmph, it would have completed the race before 3 minutes. Find the length of the track.
38 / 50
A drink vendor has 80 liters of Maaza, 144 liters of Pepsi and 368 liters of Sprite. He wants to pack them in cans, so that each can contains the same number of liters of a drink, and doesn?t want to mix any two drinks in a can. What is the least number of cans required?
39 / 50
In an examination a pupil?s average marks were 63 per paper. If he had obtained 20 more marks for his Geography paper and 2 more marks for his History paper, his average per paper would have been 65. How many papers were there in the examination?
40 / 50
The average height of 35 boys in a class was calculated as 180cm. It has later found that the height of one of the boys in the class was wrongly written as 166 cm whereas his actual height was 106 cm. Find the actual average height of the boys in the class (Round off your answer to two decimal places)?
41 / 50
By selling 12 toffees for a rupee, a man loses 20%. How many for a rupee should be sell to get a gain of 20%?
42 / 50
Jameel bought paper sheets for Rs. 7200 and spent Rs. 200 on transport. Paying Rs 600 he had 330 boxes made. Which he said at Rs. 28 each. What is his profit Percentage?
43 / 50
After spending 40 % in machinery, 25 % in the building, 15 % in raw material and 5 % on furniture, Haris had a balance of Rs. 1305. The money with him was:________?
44 / 50
The average of first 10 odd numbers is_____________?
45 / 50
Rs.1200 divided among P, Q and R. P gets half of the total amount received by Q and R. Q gets one-third of the total amount received by P and R. Find the amount received by R?
46 / 50
Find the greatest number which, while dividing 19, 83 and 67, gives a remainder of 3 in each case?
47 / 50
The top of a 15 metre high tower makes an angle of elevation of 60? with the bottom of an electric pole and angle of elevation of 30? with the top of the pole. What is the height of the electric pole ?
48 / 50
A room is 12 ? m long and 7w wide. The maximum length of a square tile to fill the floor of the room with whole number of it?s tiles should be_________?
49 / 50
2003 * 2004 ? 2001 * 2002 = _________?
50 / 50
A sum of money is borrowed and paid back in two annual installments of Rs. 882 each allowing 5% C.I. The sum borrowed was?
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