Question
A container contains 40 liters of a mixture of milk and
water in the ratio 3:1. How much water should be added to make the ratio 3:2?Solution
Milk = (3/4) * 40 = 30 liters Water = (1/4) * 40 = 10 liters Let x liters of water be added. New ratio = Milk : Water = 30 : (10 + x) = 3:2 30 / (10 + x) = 3 / 2 60 = 30 + 3x 3x = 30 x = 10 liters Correct answer: d.
- Find the wrong number in the given number series.
8, 14, 24, 49, 59, 84 Find the wrong number in the given number series.
8, 12, 23, 40, 66, 103
174 180 198 252 414 910
640 1920 240 720 92 270
Find the wrong number in the given number series.
132, 147, 138, 155, 144, 161
1 3 7 15 33
...Find the wrong number in the given number series,
9, 60, 299, 1199, 3599, 7199
- Find the wrong number in the given number series.
32.6, 36.4, 40.2, 43.6, 47.8, 51.6 11 110 978 6824 34103 102290
- Find the wrong number in the given number series.
12, 21, 5, 38, 2, 71