Question
If a man rows at the rate of 19 kmph in still water and
his rate against the current is 7 kmph, then find the man’s speed with downstream.     ÂSolution
Rate in still water = 19 kmph Rate upstream = 7 kmph Rate of current = 19 – 7 = 12 kmph Rate downstream = 19 + 12 = 31 kmph
37, 49, 63, ?, 97, 117
√(10198 )× √(7220 )÷ 16.69 + 2010.375= ?
What will come in place of the question mark (?) in the following series?
20, 21, 30, 55, 104, 185, ?
16, 24, 36, ?, 81, 121.5
What will come in place of the question mark (?) in the following series?
50, 70, 110, 190, 310, ?
24, 168, 28, 140, 35, ?Â
4, 4, 5, ? , 248, 1248
- What will come in place of (?), in the given number series.
1, 1, 2, 3, 5, ?, 13 5, 23, 18, 36, 31, ?
1 12 31 58 93 ?