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ICSE Class 8 - CISCE Question Bank Solutions for Mathematics

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Mathematics
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Find the square root of `96 1/25`

[0.013000000000000001] Squares and Square Root
Chapter: [0.013000000000000001] Squares and Square Root
Concept: Concept of Square Roots

Find the square root of 0.0169.

[0.013000000000000001] Squares and Square Root
Chapter: [0.013000000000000001] Squares and Square Root
Concept: Concept of Square Roots

Evaluate `sqrt((14.4)/(22.5)`

[0.013000000000000001] Squares and Square Root
Chapter: [0.013000000000000001] Squares and Square Root
Concept: Concept of Square Roots

Evaluate `sqrt((0.225)/(28.9)`

[0.013000000000000001] Squares and Square Root
Chapter: [0.013000000000000001] Squares and Square Root
Concept: Concept of Square Roots

If John sells his bicycle for Rs. 637, he will suffer a loss of 9%. For how much should it be sold, if he desires a profit of 5%?

[0.022000000000000002] Profit, Loss and Discount
Chapter: [0.022000000000000002] Profit, Loss and Discount
Concept: Concept of Discount

Evaluate `sqrt(25/32 xx 2 13/18 xx 0.25)`

[0.013000000000000001] Squares and Square Root
Chapter: [0.013000000000000001] Squares and Square Root
Concept: Concept of Square Roots

Evaluate `sqrt(1 4/5 xx 14 21/22 xx 2 7/55)`

[0.013000000000000001] Squares and Square Root
Chapter: [0.013000000000000001] Squares and Square Root
Concept: Concept of Square Roots

A man sells a radio-set for Rs.605 and gains 10%. At what price should he sell another radio of the same kind, in order to gain 16%?

[0.022000000000000002] Profit, Loss and Discount
Chapter: [0.022000000000000002] Profit, Loss and Discount
Concept: Concept of Discount

Evaluate: `sqrt(3^2 xx 6^3 xx 24)`

[0.013000000000000001] Squares and Square Root
Chapter: [0.013000000000000001] Squares and Square Root
Concept: Concept of Square Roots

Evaluate: `sqrt((0.5)^3 xx 6 xx 3^5)`

[0.013000000000000001] Squares and Square Root
Chapter: [0.013000000000000001] Squares and Square Root
Concept: Concept of Square Roots

By selling a sofa-set for Rs.2,500; the shopkeeper loses 20%. Find his loss percent or profit percent; if he sells the same sofa-set for Rs.3150.

[0.022000000000000002] Profit, Loss and Discount
Chapter: [0.022000000000000002] Profit, Loss and Discount
Concept: Concept of Discount

Evaluate: `sqrt((5 + 2 21/25) xx 0.169/1.6)`

[0.013000000000000001] Squares and Square Root
Chapter: [0.013000000000000001] Squares and Square Root
Concept: Concept of Square Roots

Mr. Sinha sold two tape-recorders for Rs.990 each; gaining 10% on one and losing 10% on the other. Find his total loss or gain as a percent on the whole transaction.

[0.022000000000000002] Profit, Loss and Discount
Chapter: [0.022000000000000002] Profit, Loss and Discount
Concept: Concept of Discount

Evaluate: `sqrt(5(2 3/4 - 3/10)`

[0.013000000000000001] Squares and Square Root
Chapter: [0.013000000000000001] Squares and Square Root
Concept: Concept of Square Roots

Evaluate: `sqrt(248 + sqrt(52 + sqrt(144)`

[0.013000000000000001] Squares and Square Root
Chapter: [0.013000000000000001] Squares and Square Root
Concept: Concept of Square Roots

13 and 31 is a strange pair of numbers such that their squares 169 and 961 are also mirror images of each other. Find two more such pairs.

[0.013000000000000001] Squares and Square Root
Chapter: [0.013000000000000001] Squares and Square Root
Concept: Concept of Square Roots

John sold an article to Peter at 20% profit and Peter sold it to Mohan at 5% loss. If Mohan paid Rs.912 for the article; find how much did John pay for it?

[0.022000000000000002] Profit, Loss and Discount
Chapter: [0.022000000000000002] Profit, Loss and Discount
Concept: Concept of Discount

A stationery buys pens at 5 for Rs.28 and sells them at a profit of 25 %. How much should a customer pay; if he buys
(i) only one pen ;
(ii) three pens?

[0.022000000000000002] Profit, Loss and Discount
Chapter: [0.022000000000000002] Profit, Loss and Discount
Concept: Concept of Discount

A man sells 12 articles for Rs. 80 gaining `33 1/3%`. Find the number of articles bought by the man for Rs. 90.

[0.022000000000000002] Profit, Loss and Discount
Chapter: [0.022000000000000002] Profit, Loss and Discount
Concept: Concept of Discount

If `sqrt784` = 28, find the value of:

`sqrt(7.84) + sqrt(78400)`

[0.013000000000000001] Squares and Square Root
Chapter: [0.013000000000000001] Squares and Square Root
Concept: Concept of Square Roots
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