Mathematics Quiz 15
1 / 50
A swimming bath is 24 m long and 15 m broad. When a number of men drive into the bath. The height of water rises by 1cm. If the average volume of water displaced by each man be 0.1m3 how many mean are there in the both?
2 / 50
A, B and C invested Rs.6300, Rs.4200 and Rs.10500 respectively, in a partnership business. Find the share of A in profit of Rs.12100 after a year?
3 / 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 is_______?
4 / 50
Find the least number of five digits which is exactly divisible by 12, 15 and 18?
5 / 50
The number of new words that can be formed by rearranging the letters of the word ?ALIVE? is__________?
6 / 50
If a and b are the roots of the equation x2?? 9x + 20 = 0, find the value of a2?+ b2?+ ab?
7 / 50
A is a working partner and B is a sleeping partner in the business. A puts in Rs.15000 and B Rs.25000, A receives 10% of the profit for managing the business the rest being divided in proportion of their capitals. Out of a total profit of Rs.9600, money received by A is?
8 / 50
5% people of a village in Sri Lanka died by bombardment, 15% of the remainder left the village on account of fear. If now the population is reduced to 3553, how much was it in the beginning?
9 / 50
15 cattle can graze a field in 20 days 20 cattle can graze 3 such field in how many days?
10 / 50
A boat having a length 3 m and breadth 2 m is floating on a lake The boat sinks by 1 cm when a man gets on it. The mass of man is :__________?
11 / 50
The length of a rope by which a cow must be tethered in order that she may be able to graze an area of 9856 sq.m is:________?
12 / 50
Find the one which does not belong to that group ?
13 / 50
14 / 50
85% of a number is added to 24, the result is the same number. Find the number?
15 / 50
wo pipes X and Y fill a tank in 15 hrs. and 20 hrs. respectively, while a third pipe ?Z? can empty the full tank in 25 hrs. All the three pipes are opened in the beginning. After 10 hrs. Z is closed. In how much time, will the tank be full ?
16 / 50
A, B, C and D divide a sum of money among themselves in the ratio 7:4:3:2. If D gets Rs. 500 less than A, find the total amount.
17 / 50
The S.I. on a certain sum of money for 3 years at 8% per annum is half the C.I. on Rs. 4000 for 2 years at 10% per annum. The sum placed on S.I. is________?
18 / 50
A 25 cm wide path is to be made around a circular garden having a diameter of 4 meters. Approximate area of the path is square meters is__________?
19 / 50
If daily wages of a man is double to that of a woman, how many men should work for 25 days to earn Rs.14400? Given that wages for 40 women for 30 days are Rs.21600.
20 / 50
The sum of five consecutive even numbers of set x is 440. Find the sum of a different set of five consecutive integers whose second least number is 121 less than double the least number of set x?
21 / 50
Product of two co-prime numbers is 117. Their L.C.M should be__________?
22 / 50
The sides of a triangle are in the ratio ?: 1/3: ?. If the perimeter is 52cm then the length of the smallest side is________?
23 / 50
How many liters of oil at Rs.40 per liter should be mixed with 240 liters of a second variety of oil at Rs.60 per liter so as to get a mixture whose cost is Rs.52 per liter?
24 / 50
A man gains 20% by selling an article for a certain price. If the sells it at double the price, the percentage of profit will be:________?
25 / 50
A question paper consists of five problems, each problem having three internal choices. In how many ways can a candidate attempt one or more problems?
26 / 50
The speed of a motor boat is that of the current of water as 36:5. The boat goes along with the current in 5 hours 10 min, it will come back in_______?
27 / 50
The average monthly salary of 20 employees in an organisation is Rs. 1500. If the manager?s salary is added, then the average salary increases by Rs. 100. What is the manager?s monthly salary?
28 / 50
An aeroplane covers a certain distance at a speed of 240 kmph in 5 hours. To cover the same distance in 5/3 hours, it must travel at a speed of:_________?
29 / 50
30 / 50
The average salary of all the workers in a workshop is Rs. 8000. The average salary of 7 technicians is Rs. 12000 and the average salary of the rest is Rs. 6000. The total number of workers in the workshop is__________________?
31 / 50
In a three digit number, the hundred digit is 2 more than the tens digit and the units digit is 2 less than the tens digit. If the sum of the digits is 18, find the number?
32 / 50
In a Circle of Radius 5 cm if AB and AC are two equal chords of length 6cm each, then the length of chord BC is___________?
33 / 50
Sehar gave Shazia Rs.1250 on compound interest for 2 years at 4% per annum. How much loss would Sehar has suffered had she given it to Shazia for 2 years at 4% per annum simple interest?
34 / 50
The Total cost of flooring a room at Rs.8.50 per square meter is Rs.510. If the length of the room is 8km it?s breadth is__________?
35 / 50
LCM of 455, 117, 338 is________?
36 / 50
If (461?+ 462?+ 463?+ 464) is divisible by ?, then ? =_____________?
37 / 50
The difference between C.I. and S.I. on an amount of Rs. 15,000 for 2 years is Rs. 96. What is the rate of interest per annum?
38 / 50
A bag contains a total of 93 coins in the form of one rupee and 50 paise coins. If the total value of coins in the bag is Rs.56, find the number of 50 paise coins in the bag?
39 / 50
On a sum of money, the S.I. for 2 years is Rs. 660, while the C.I. is Rs. 696.30, the rate of interest being the same in both the cases. The rate of interest is________?
40 / 50
A retailer buys a sewing machine at a discount of 15% and sells it for Rs. 1955. Thus, he makes a profit of 15%. The discount is:
41 / 50
The edges of three iron cubes are 6cm; 8cm; 10cm respectively. A new cube was made by melting them. Find the edge of the new cube?
42 / 50
A 6% stock yields 8%. The market value of the stock is:___________?
43 / 50
The edges of cuboid are 4 cm; 5 cm and 6 cm. Find its surface area?
44 / 50
A horse and a cow were sold for Rs. 12000 each. The horse was sold at a loss of 20 % and the cow at a gain of 20 %. The entire transaction resulted in___________?
45 / 50
Twenty women can do a work in sixteen days. Sixteen men can complete the same work in fifteen days. What is the ratio between the capacity of a man and a woman ?
46 / 50
Find the quadratic equations whose roots are the reciprocals of the roots of 2x2?+ 5x + 3 = 0?
47 / 50
A man complete a journey in 10 hours. He travels first half of the journey at the rate of 21 km/hr and second half at the rate of 24 km/hr. Find the total journey in km.
48 / 50
Three quantities X, Y and Z are such that XY=kZ where k is constant. Initially, X was at 4 and X:Y:Z was 2:3:4. If the value of Y is changed to 12 and Z is kept constant, find the value of X.
49 / 50
A reduction of 20 % in the price of sugar enables a purchaser to obtain 3kg more for Rs. 120. The original price of sugar per kg is:________?
50 / 50
[8 + {(21 * ?9/441 ? 1 /5 of 60% ? 1/5) * 625 + 7} ? 4] = _________?
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