Recent questions in Olympiad-Math

The cost of 5 books is Rs 90 then the cost of 2 books is

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1 answer

If 2 , x and 8 are in continued proportion then x is

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If 3:2 :: 4:x then find the value of x ?

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In a classroom there are 40 boys and 30 girls. The ratio of the boys to the total number of students is

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1 answer

An article was bought for Rs 120 and sold for Rs 150. Find its gain or loss percent.

asked Oct 14, 2015 by pady_1

1 answer

The simple interest on Rs 500 for 2 years at $2\large\frac{1}{2}$% is

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1 answer

Find the ratio of 9 m to 27 cm

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1 answer

Find the ratio of 30 days to 36 hours.

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A shoe bought for Rs 250 and sold for Rs 325. Find profit or loss percent.

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1 answer

A cupboard bought for Rs 2,500 and sold at Rs 3,000. Find profit or loss percent.

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1 answer

A table bought for Rs 2,500 and sold at Rs 3,000. Find profit or loss percent.

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Adarsh buys a book for $Rs\; 275$ and sells it at a loss of $15\%$. How much rupees does she sell it for?

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1 answer

Principal = Rs 7,500 at 5% p.a. Find the amount to be paid at the end of 3 years.

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What rate gives Rs 280 as interest on a sum of Rs 56,000 in 2 years?

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In a computer lab, there are 3 computers for every 6 students. How many computers will be needed for 24 students?

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1 answer

Population of $UP = 1660\; lakhs$. Area of $UP = 2 \;lakh\;km^2$. How many people are there per $km^2$?

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1 answer

Find 1\% of 1 hour

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Find the whole quantity if 70\% of it is 14 minutes

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Find the whole quantity if 8\% of it is 40 litres

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Convert 5\% to fractions in simplest form

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In a city, $30\%$ are females, $40\%$ are males and remaining are children. How many children are there in the city if the total population is 15000.

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1 answer

Out of 15, 000 voters in a constituency, $60\%$ voted. Find the percentage of voters who did not vote.

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1 answer

Meeta saves Rs 400 from her salary. If this is 10% of her salary. What is her salary?

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1 answer

A local cricket team played 20 matches in one season. It won $25\%$ of them. How many matches did they win?

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1 answer

The population of a city decreased from 25,000 to 24,500. Find the percentage decrease.

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Arun bought a car for Rs 3,50,000. The next year, the price went upto Rs 3,70,000. What was the percentage of price increase?

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1 answer

I buy a T.V. for Rs 10,000 and sell it at a profit of 20\%. How much money do I get for it?

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Juhi sells a washing machine for Rs 13, 500. She loses $20\%$ in the bargain. What was the price at which she bought it?

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1 answer

If in a stick of chalk, carbon is 3g, what is the weight of the chalk stick?

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If Meena gives an interest of Rs 45 for one year at 9\% rate p.a.. What is the sum she has borrowed?

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Find the ratio of 15 kg to 210 g

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A farmer bought a cow for Rs. 12,000 and sold it at a gain of 10\%. Find the S.P. of the cow.

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1 answer

Kapil bought a sofa set for Rs. 4500 and sold it for Rs. 4,200. Find his loss\%

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1 answer

There are 13 boys and 12 girls in the class. What is the percentage of girls in the class.

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Ram purchased a radio set for $Rs. 400$ and sold it to Shyam at a profit of $25\%$. Shyam sold it to Mohan at a loss of $10\%$. For how much money did mohan buy it ?

asked Oct 14, 2015 by pady_1

1 answer

Chalk contains calcium, carbon and oxygen in the ratio of 10 : 3 : 12. Find the percentage of carbon in chalk?

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In what time will Rs. 2,700 will double itself if rate of interest is 4\% p.a ?

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At what rate percent per annum will Rs. 800 amount to Rs 1000 in 1 years ?

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1 answer

Rs. 600 are invested at 5% simple interest p.a. In how much time will it double itself.

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Calculate the rate of interest if Principal = Rs. 5000, S.I. = Rs 700 , Time = 2 years

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Calculate the time if Principal = Rs. 2500, Simple Interest = Rs. 625, Rate of Interest= 5\% p.a

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Out of 30 students in a hostel, 8 are going to market, 20 are going to watch T.V, rest of the students are studying. Convert all of them into percentages.

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1 answer

Calculate the following: 12% of 1200

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The number of illiterate persons in a country decreased from 150 lakhs to 100 lakhs in 10 yrs.The decrease percentage is _____.

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1 answer

In a village, 30\% people are women, 40\% are men rest are Children. What is the \% of children in the village?

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Find 3% of 1hr in seconds.

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The population of Rajasthan is 570 lakh and population of U.P is 1,560 lakh in the same area. Find the ratio of their population.

asked Oct 14, 2015 by pady_1

1 answer

In a village, 30\% people are women, 40\% are men rest are Children what is the percentage of children in the village.

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A person divides his income in three equal parts if he gives 2 parts to Ram and 1 part to Shyam. What percentage of money he gives to Ram and Shyam separately.

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Find out the numbers if 10% of number is 600

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