Question
A single reservoir supplies petrol to the whole city,
and the reservoir is fed by a single pipeline filling the reservoir with a stream of uniform volume. When the reservoir is full and if 40,000 litres of petrol is used daily, the supply fails in 65 days. If 45,000 litres of petrol is used daily, it fails in 55 days. How much petrol can be used daily without the supply ever failing?Solution
4.8, 14, 62, ?, 1516, 7578Â
17   9   10   16.5   35    ?    273
3   2   3   6   14    ?    115.5
What should come in place of (?) question mark in the following number series.
1, 2, 6, 24, 120, ?
9 10 36 333 ? 132825
...What will come in place of the question mark (?) in the following series?
555, 430, ?, -320, -1320, -3320Â
900 Â Â Â 90Â Â Â 18Â Â Â ? Â Â Â Â 2.16Â Â Â Â 1.08
What will come in place of the question mark (?) in the following series?
11, 13, 19, ?, 51, 81
What will come in place of the question mark (?) in the following series?
77, 198, 342, 511, 707, ?
- What will come in place of the question mark (?) in the following series?
20, 32, 50, 74, 104, ?