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Murali purchased 20 dozens of toys at the rate of Rs. 375 per dozen. He sold each one of them at the rate of Rs. 33. Find out his profit percentage.

If one number is 80% of the other and 4 times the sum of their squares is 656, then the number are?

The market price of a machine depreciates at an annual compound rate of 10%. If the current market price of the machine is Rs. 8748 then what was its market price 3 years ago?

Rs.9800 are invested partly in 9% stock at 75 and 10% stock at 80 to have equal amount of income. The investment in 9% stock is:

If 20% of a = b, then b% of 20 is the same as:

Suman borrowed Rs. 60,000 to build a bungalow. She pays 10 % S.I. She lets out her bungalow and receives a rent of Rs. 1500 p.m. In how many years will she clear her debt.

A truck travelling at 70 kilometres per hour uses 30% more diesel to travel a certain distance than it does when it travels at the speed of 50 kilometres per hour. If the truck can travel 19.5 kilometres on a litre of diesel at 50 kilometres per hour, how far can the truck travel on 10 litres of diesel at a speed of 70 kilometres per hour?

The compound interest on Rs. 20,480 at 6(1/4) per annum for 2 years 73 days, is:

What percentage of 2650 is Rs.1987.50?

What will be the ratio of simple interest earned by certain amount at the same rate of interest for 6 years and that for 9 years?

In an election between two candidates, one got 55% of the total valid votes, 20% of the votes were invalid. If the total number of votes was 7500, the number of valid votes that the other candidate got, was:

What percentage of numbers from 1 to 70 has 1 or 9 in the unit's digit?

Ajay spends 25% of his salary on house rent, 5% on food, 15% on travel, 10% on clothes and the remaining amount of Rs. 27,000 is saved. What is Ajay’s income?

A sum of Rs. 725 is lent in the brgining of a year at a certain rate of interest. After 8 months, a sum of Rs. 362.50 more is lent but at the rate twice the former. At the end of the ywar, Rs. 33.50 is earned as interest from both the loans. What was the original rate of interest

A large watermelon weighs 20 kg with 96% of its weight being water. It is allowed to stand in the sun and some of the water evaporates so that only 95% of its weight is water. Its reduced weight will be:

If 8% of x = 4% of y, then 20% of x is :

At what rate percent per annum will the simple interest on a sum money be 2/5 of the amount in 10 years?

If the height of a right circular cone is increased by 200% and the radius of the base is reduced by 50%, then the volume of the cone:

I used to save 20% of my income . When my income was raised by 50% and if I should save the same amount as before , what per cent of my income can I afford to spend.

Mr. Thomas invested an amount of Rs. 13,900 devided in two different schemes A and B at the simple interest rate of 14% p.a. and 11% p.a. respectively. If the total amount of simple interest earned in 2 years be Rs. 3508. What was the amount invested in Scheme B?

A 6% stock yields 8%.The market value of the stock is

During one year the population o f a town increased by 20% and during the next year it diminished by 20%. Then the population now is

If fresh grapes contain 80% water and 20% pulp, by weight, and 10 kg of fresh grapes yield 2.5 kg of dry grapes, then find the percentage of pulp. by weight, in dry grapes.

Mohan deposits Rs.150 on the first of every month starting from 1st Jan1985, in the recurring deposit scheme of a bank which allows simple interest @ 6% p.a.on the sum standing to his credit at the end of each month. What is the amount, Mohan is entitled to on 31st Dec, 1985

A sum of money invested at compound interest amounts to Rs. 4624 in 2 years and to Rs. 4913 in 3 years. The sum of money is:

By investing Rs.1620 in 8% stock .Michael earns Rs. 135. The stock is then quoted at

X and Y invest Rs.21000 and Rs.17500 respectively in a business. At the end of the year, they make a profit of Rs.26400. What is the share of X in the profit?

Sam invested Rs. 15,000 @ per annum for one year. If the interest is compounded half-yearly, then the amount received by Sam at the end of the year will be

An automobile financier claims to be leading 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:

Find the selling price of an article if a shopkeeper allows two successive discounts of 5% each on the marked price of Rs. 80.

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