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Distance = 40 km Time taken to go upstream = 5 hour ∴ Speed upstream = 40/5 = 8 km/hr ∴ Speed of the current = 48 – 8 = 40 km/hr ∴ Speed downstream = 48 + 40 = 88 km/hr ∴ Time taken to go downstream = 40/88 = 5/11 hr ⇒ 5/11 x 60 minutes = 27 minutes approx..
In the following question, select the wrong number from the given alternatives.
44, 54, 69, 94, 129, 189
There are six persons, Z, N, A, D, H and V in a family. V is the paternal grandmother of Z. A is the sister of H. N is the father of A. Z is the only so...
Four number-pairs have been given, out of which three are alike in some manner and one is different. Select the number-pair that is different.
A, B, C, D, E, F and G are seven friends having different heights. A is taller than C but shorter than B. C is taller than F but shorter than A. B is ta...
How many girls have MBA degrees?
Four words have been given, out of which three are alike in some manner, while one is different. Choose the odd one.
Select the option that is related to the first number in the same way as the third number is related to the fourth number.
729: ? :: 432: 360<...
Select the correct combination of mathematical signs to sequentially replace the * signs and balance the given equation.
11 * 7 * 345 * 5 * 31 ...
Cyclone : Anticyclone :: Flood : ?
'A & B’ means ‘A is the sister of B’.
‘A – B’ means ‘A is the mother of B’.
‘A × B’ means ‘A is the husband of B’...