ICSE ICSE Class 8 - CISCE Question Bank Solutions for Mathematics

A man sold a radio-set for Rs.250 and gained one-ninth of its cost price. Find ;
(i) its cost price;
(ii) the profit percent.

Find the cost price, if :
S.P. = Rs. 1,680 and profit = 12%

Find the cost price, if :
S.P. = Rs. 1,128 and loss = 6%

By selling an article for Rs.900; a man gains 20%. Find his cost price and the gain.

By selling an article for Rs.704; a person loses 12%. Find his cost price and the loss.

A tape-recorder is sold for Rs. 2,760 at a gain of 15% and a C.D. player is sold for Rs. 3,240 at a loss of 10% Find :
(i) the C.P. of the tape-recorder
(ii) the C.P. of the C.D. player.
(iii) the total C.P. of both.
(iv) the total S.P. of both
(v) the gain % or the loss % on the whole

A fruit-seller sells 4 oranges for Rs. 3, gaining 50%. Find :
(i) C.P. of 4 oranges,
(ii) C.P. of one orange.
(iii) S.P. of one orange.
(iv) profit made by selling one orange.
(v) a number of oranges brought and sold in order to gain Rs. 24.

Find the square root of: 4761

Find the square root of: 7744

Raju sells a watch at a 5% profit. Had he sold it for Rs.24 more; he would have gained 11%. Find the cost price of the watch.

Find the square root of: 4.2025

A man sold a bicycle at 5% profit. If the cost had been 30% less and the selling price Rs.63 less, he would have made a profit of 30%. What is the cost price of the bicycle?

Find the square root of: 0.007225

Renu sold an article at a loss of 8 percent. Had she bought it at 10% less and sold for Rs.36 more; she would have gained 20%. Find the cost price of the article.

Find the square root of 245 correct to two places of decimal. 

Find the square root of 496 correct to three places of decimal.

Find the square root of 82.6 correct to two places of decimal.

Find the square root of 0.065 correct to three places of decimal.

For the following, find the least number that must be subtracted so that the resulting number is a perfect square.
1886

For the following, find the least number that must be subtracted so that the resulting number is a perfect square. 23497