Question
A mixture contains wine and water in the ratio 5:1. On
adding 5 litre of water, the ratio of wine to water becomes 5:2. The quantity of wine in the mixture is?Solution
Let wine and water be 5x litre and x litre respectively. Now, => 5x/(x + 5) = 5/2 => 10x = 5x + 25 => x = 5 Before mixture = 25 ∶ 5 After mixture = 25 : 10 Quantity of wine = 25 lit
Find the wrong number in the given number series.
16, 24, 36, 54, 81, 120.5
2Â Â Â Â Â 27Â Â Â Â Â Â 43Â Â Â Â Â 50 Â Â Â Â Â Â 56 Â Â Â Â Â Â Â 57
...6Â Â Â 9Â Â Â 14Â Â Â Â 22Â Â Â Â 30Â Â Â Â Â 41Â Â Â Â Â
...259, 372, 495, 618, 741, 864
Find the wrong number in the given number series.
10, 17, 26, 39, 59, 85
- Find the wrong number in the given number series.
60, 75, 101, 150, 210, 285 171, 86, 87, 132, 266, 668
- In the given number series, find the wrong number.
120, 60, 30, 15, 7.5, 3.25, 1.875 164, 160, 172, 136, 188, 128
42, 61, 78, 93, 102, 109