Question
A 60-litre mixture contains only water and oil in the
ratio 5:1, respectively. If 36 litres of the mixture is replaced with the same quantity of oil, then find the quantity of oil in the final mixture.Solution
Amount of oil in the mixture = 60 × (1/6) = 10 litres Amount of oil withdrawn = 36 × (1/6) = 6 litres Quantity of oil in the final mixture = 10 – 6 + 36 = 40 litres
Find the wrong number in the given number series.
7, 14, 29, 58, 117, 233, 469
1, 1.5, 3, 7.5, 22.5, 75, 315
In each of the following, one term is wrong. Find the WRONG term.
7, 15, 29, 58, 117, 235
Find the wrong number in the given number series,
121, 130, 116, 139, 103, 148
- Find the wrong number in the given number series.
3, 6, 10, 15, 21, 29 121, 118, 122, 115, 127, 112
1024Â Â 3072Â Â Â 384Â Â Â 1152Â Â Â 145Â Â Â 432
Find the wrong number in the given number series.
15, 19, 36, 99, 355, 1379Â
2, 10, 30, 64, 130, 222
Find the wrong number in the given number series.
3, 7, 22, 89, 445, 2675