Question
The Price of 1 litre pure milk is Rs 50. By adding some
water in it and selling the mixture at Rs 60 one gets 25% profit, then find the ratio of milk and water in the mixture?Solution
Cost price of 1 litre milk = Rs 50 Selling price of 1 litre mixture = Rs 60 Profit = 25% So cost price of mixture = 60 × 100/125 = Rs 48 The ratio of milk and water in mixture 
366 276 196 126 66 ?
7 98 644 3145 12596 37797
...25, 200, 40, ?, 64, 512
D irection: Which of the following will replace ‘?’ in the following series
9, ‘?’, 1242, 1581, 1783
...80, 255, 624, ?, 2400, 4095
A series is 11, 20, 42, 82, 166, 330
If another series 4, a, b, c, d, 106 follows the same pattern as the given number series, then find the appr...
If 43 34 x 36 39 38
Then, (x/2) + 0.5 + x = ?
...6 16 116 566 2272 6814
11 a�...
4 ? 113 449 1343 2681
...3 15 35 63 99 ?
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