Question
The Price of 1 litre pure milk is Rs 50. By adding some
water in it and selling the mixture in 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 Pure milk water 
= 48:2 = 24:1
What will come in place of the question mark (?) in the following series?
1528, 1416, 1204, ?, 480, -32
143 Â Â Â Â 119Â Â Â Â 107Â Â Â Â 101Â Â Â Â Â 98Â Â Â Â ?
96 89 ? 90 94 91
...What value should come in the place of (?) in the following number series?
19, 235, 260, 324, 333, ?
What will come in place of the question mark (?) in the following series?
305...
In each of the following number series, one term is missing. Find the missing term.
3, 5, 20, 24, 144, 150, ?
1029, 1030, 1039, 1064, ?, 1194
75, 80, 95, ?, 155, 200
What will come in place of the question mark (?) in the following series?
1515, 184, ?, 455, 967, 624
7 29 61 ? 211 349
...
