Question
When 15 years ago age of Dev was divided by 20, the
present age of his granddaughter Swati is obtained. If Swati is 6 years younger than her sister Neha whose age is 9 year, then what is Dev’s present age?Solution
Swati’s age = (6-9) = 3 years Let age of Dev = x years So,
= 3 => x = 60 + 15 = 75 years
61, 48, ?, 35, 87, 22
92, 51, 21, 13.5, x, 4.25
find the value of (10x + x -5)?
The sequence below has a single missing term denoted by “?”:
3, 5, 11, 23, 47, ?
Condition I: The first difference (T₂ − T₁, T�...
Given below are two number series i.e. 'I' and 'II' where the wrong (odd one out) number in each series 'I' and 'II' is 'P' and 'Q', respectively. You h...
150 160 140 ? 130 180
...7 13 15 29 31 57
...3 5 ? 75 1125 84375
...3 4.5 6.75 10.125 15.1875 22.78125 ?
...840 400 180 ? 15 -12.5
...7 12 33 ? 635 3804
...