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Let number of revolutions be n. => n × 2π (7/2) × 28 = 280 × 165 => n = 280 × 165 × 1/28 × 1/22 => n = 75
Income of Priya is Rs. 45,600, out of which she spent 30% on daily expenses, 15% on phone bills and saves the rest. If her income is increased by 12% an...
In order to maximise his gain, a theatre owner decided to reduce the price of tickets by 10% and as a result of this, the sales of tickets increased by ...
In a mixed school 25% of the scholars are infants under 7 and the number of girls above 7 is 4/5 of the number of boys above 7, and amounts to 120. Find...
In an exam, Sunil scored 45% marks and failed by 18 marks while Rina scored 90% marks and scored 72 marks more than the passing marks. Find out the pass...
A scored 20% more than B. If both score 4 marks more than the sum of the marks scored by A and B together would have been 20% more than the passing mar...
An officer ordered 3 computers of brand X and some computers of brand Y. The price of one computer of brand X was thrice that of brand Y. When the ord...
A man spent 20% of his income in May. If his savings is increased by 20% in June and becomes Rs. 11520, then find the income of man in May.
A gave 50% of amount to B. B gave 20% of amount received from A to C. If amount received by C from B is Rs.186, then find the amount received by B from A.
