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Q. If each side of a square is increased by 25%, find the percentage change in its area?
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Q. The ratio, in which tea costing Rs. 192 per kg is to be mixed with tea costing Rs. 150 per kg so tha...
Q. If Rs. 10000 amounts to Rs. 11664 invested in compound interest (compounded annually) for two years ...
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Q. On 8th Feb, 2005 it was Tuesday. What was the day of the week on 8th Feb, 2004?
Q. Given interchanges : Signs + and - , numbers 4 and 8.
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