Question
120 litres of mixture contains water and milk in the
ratio 5:6 respectively. If 32 litres of the mixture is replaced by same quantity of water, then find the ratio of water and milk in the final mixture.Solution
Remaining quantity of the original mixture = 120 – 32 = 88 litres Quantity of water in the final mixture = 88 x (5/11) + 32 = 72 litres Quantity of milk in the final mixture = 88 x (6/11) = 48 litres Ratio of water and milk in the final mixture = 72 : 48 = 3:2
230 192 172 ? 122 100
...What value should come in the place of (?) in the following number series?
64, 80, 104, ?, 176, 224
97, 106, ?, 195, 411, 460
What will come in place of the question mark (?) in the following series?
29, 42, ?, 95, 135, 184
Find the missing term:
2, 6, 15, 31, 56, ?
32   48   96   ?   720   2520
82, 98, 130, 178, 242, ?
4 10 ? 62.5 156.25 390.625
...140, 146, 170, 224, ?, 470
7 47 ? 223 359 527
...