Mathematics Quiz 17

The speed of a boat in upstream is 60 kmph and the speed of the boat downstream is 80 kmph. Find the speed of the boat in still water and the speed of the stream?

A cube of side one meter length is cut into small cubes of side 10 cm each. How many such small cubes can be obtained?

A garrison has provisions for 40 days. At the end of 5 days half of the men left the garrison. How long the food will last for?

A person walking at 5/6th of his usual speed is 40 minutes late to his office. What is his usual travel time to his office?

In a fort there is enough food sufficient for 1200 men for 10 days. How long the food would have last for if there would have been 1000 men.

The ratio between the radii of two spheres is 1:3. Find the ratio between their volumes?

If cost of sugar increases by 25%. How much percent consumption of sugar should be decreased in order to keep expenditure fixed?

A man can row a boat at 20 kmph in still water. If the speed of the stream is 6 kmph, what is the time taken to row a distance of 60 km downstream?

10 % of the electorate did not cast their votes in an election between two candidates. 10 % of the votes polled were found invalid. The successful candidate got 54 % of the valid votes and won by a majority of 1620 votes. The number of voters enrolled on the voter?s list was___________?

There were two candidates in an election. Winner candidate received 62% of votes and won the election by 288 votes. Find the number of votes casted to the winning candidate?

The true discount on Rs. 1760 due after a certain time at 12% per annum is Rs. 160. The time after which it is due is:

A and B together take 6 days to complete a task. B and C together take 12 days to complete the same task. A and C together take 8 days to complete it. If A, B and C are working together, how long does it take for them to complete the task?

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 it take to go 5 km in stationary water?

The amount of water (in ml) that should be added to reduce 9 ml. Lotion, containing 50% alcohol, to a lotion containing 30% alcohol, is__________?

Find the cost of fencing around a circular field of diameter 28 m at the rate of Rs.1.50 a meter?

18 cattle graze a field in 12 days. 6 cattle can graze 3 of such fields in x days. What is x?

There is 60% increase in an amount in 6 years at S.I. What will be the C.I. of Rs. 12,000 after 3 years at the same rate?

A man covered a certain distance at some speed. If he had moved 3 kmph faster, he would have taken 40 minutes less. If he had moved 2 kmph slower, he would have taken 40 minutes more. What is the the distance in km?

The least number which when add 3 to it, completely divided 8, 12 and 18 is_______?

Three consecutive odd integers are in increasing order such that the sum of the last two integers is 13 more than the first integer. Find the three integers?

The population of a town increased from 1,75,000 to 2,62,500 in a decade. The average percent increase of population per year is:________?

What is the difference between the compound interest on Rs.12000 at 20% p.a. for one year when compounded yearly and half yearly?

A man can row 30 km downstream and 20 km upstream in 4 hours. He can row 45 km downstream and 40 km upstream in 7 hours. Find the speed of man in still water?

The denominator of a fraction is 1 less than twice the numerator. If the numerator and denominator are both increased by 1, the fraction becomes 3/5. Find the fraction?

How many shots of 1cm radius can be prepared from a sphere of 3cm radius?

108 * 107 * 96 = ? (to the nearest hundred)

Find the sum lend at C.I. at 5 p.c per annum will amount to Rs.441 in 2 years?

Two boys starts from the same place walking at the rate of 5 kmph and 5.5 kmph respectively in the same direction. What time will they take to be 8.5 km apart?

Find the annual income derived by investing Rs. 6800 in 10% stock at 136.

The perimeter of a triangle is 28 cm and the inradius of the triangle is 2.5 cm. What is the area of the triangle?

A cistern has a leak which would empty the cistern in 20 minutes. A tap is turned on which admits 4 liters a minute into the cistern, and it is emptied in 24 minutes. How many liters does the cistern hold?

20% of 40 + ? % of 80 = 120

In a 300 m race A beats B by 22.5 m or 6 seconds. B?s time over the course is__________?

In an examination, 47% failed in English and 54% failed in Mathematics. Find the pass percentage in both the subjects if 31% failed in both the subjects?

By selling Toffees at 20 for a rupee, a man loses 40 %. To gain 20 %, for one rupee he must sell?

If the radius of a circle be reduced by 50% its area is reduced by:_________?

(0.9 * 0.9 ? 0.8 * 0.8)/1.7 = ________?

The present worth of Rs. 1404 due in two equal half-yearly installments at 8% per annum simple interest is:

The price of cooking oil has increased by 25 %. The percentage of reduction that a farming should effect in the use of cooking oil so as not to increase the expenditure on this account is________?

3/20 is what percent of 12/25?

The cost of Type 1 rice is Rs. 15 per kg and Type 2 rice is Rs. 20 per kg. If both Type 1 and Type 2 are mixed in the ratio of 2 : 3, then the price per kg of the mixed variety of rice is:_______?

The sum and the product of the roots of the quadratic equation x(power 2) + 20x + 3 = 0 are?

A person can swim in still water at 4 km/h. If the speed of water 2 km/h, how many hours will the man take to swim back against the current for 6km?

Jameel can complete a task in 15 hours and Nasir can complete the same task in 12 hours. Jameel starts the task at 9:00 am and stops working at 2:00pm. Nasir starts working on the task at 4:00 pm. At what time is the task completed?

The value of (2.75)3?? (2.00)3?? (0.75)3?is__________?

The wire bent in the form of a square enclose an area of 484 Sq.cm. If the same wire is bent so as to from a circle than the area enclosed will be_________?

A man wants to sell his scooter. There are two offers, one at Rs. 12,000 cash and the other a credit of Rs. 12,880 to be paid after 8 months, money being at 18% per annum. Which is the better offer?

In one year, the population, of a village increased by 10% and in the next year, it decreased by 10%. If at the end of 2nd year, the population was 7920, what was it in the beginning?

109.13 * 34.14 ? 108.12 * 33 = ________?

The mean marks of 30 students in a class is 58.5. Later on it was found that 75 was wrongly recorded as 57. Find the correct them.