Question
In a mixture of milk & water, 60 litres water is mixed
due to which ratio changes from 3 : 4 to 1 : 2. Find initial quantity of mixture. (in litres)Solution
let initial quantity of milk be 3x litres & water be 4x litres. ATQ, 3x/4x+ 60 = 1/2 6x = 4x + 60 ⇒ x = 30 Initial quantity of mixture = 3x + 4x = 210 liters
- What will come in place of the question mark (?) in the following series?
10, 17, 26, 37, 50, ? 4, 9, 25, ?, 121, 169
64, 32, 48, 120, 420, ?
What will come in place of the question mark (?) in the following series?
146, 122, ? , 74, 50, 26
252, 128, 66, 35, 19.5, ?
36, 48, 24, 60, ?, 72
What will come in place of (?) question mark in the given number series.
10, 17, 26, 37, 50, ?
16, 16, 32, 96, ?, 1920
14    36    80    168    ?     696
- What will come in place of the question mark (?) in the following series?
6, 24, 60, ?, 210, 336