Question
In a mixture of 85 litres, the ratio of milk to water
is 2 : 3. If this ratio is to be 1 : 3, then what is the quantity of water needed to be added?Solution
Quantity of milk in the mixture = 85 × 2/5 = 34 liters Quantity of water in the mixture = 85 × 3/5 = 51 liters Let x liters water be added to the mixture then, 34/(51+ x) = 1/3 102 = 51 + x x = 102 - 51 = 51 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