Question
Raj saves Rs. 7500 more if he spends 60% of his income
instead of 90%. Find the savings of Sanjay whose income is 30% more than that of Raj, and spends 85% of his income.ÂSolution
Let, the income of Raj be Rs. x According to the question, 0.90x – 0.60x = 7500 Or, 0.30x = 7500 Or, x = 7500/0.30 = Rs. 25000 Savings of Sumit = 0.15 × 1.30 × 25000 = Rs. 4875
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Find the missing number in the given number series.
6, 15, 35, 66, 108, ?8      27       64      125     ?       343Â
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7, 9, 21, ?, 107, 197
100 180 294 448 648 ?
312, 302, 282, ?, 212, 162
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