Question
A person has to cover a distance of 88 km in 30
minutes. If he covers half the distance in one fifth time, then to cover the remaining distance in remaining time, at what speed must he travel now?Solution
Time taken to cover 44 km distance = `1/5xx` 30 = 6 minutes. ∴ Remaining distance = 44 km and remaining time = 24 minutes ∴ Speed should be = `(44xx60)/24` [if gte msEquation 12]>
What should come in place of (?) question mark in the following number series.
4, 9, 19, 34, 54, ?
?, 15, 45, 225, 1575, 14175
62, 87, 137, ?, 312, 437
In each of the following number series, one term is missing. Find the missing term.
2, 6, 12, 20, ?, 42
A series given below follows a certain pattern,
1800, 469, (?), 855, 980, 953
If (?) = B – 2, then find the nearest cube root of B.
What will come in place of the question mark (?) in the following series?
9, 22, 61, ?, 217, 334
129, 224, 355, 528, ?, 1024
289    169      121       ?      25       9
...18, 30, 46, 66, 90, ?
Find the next term in the series:
3, 10, 21, 36, 55, ?
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