Question
A boat can travel 28 km downstream in 30 min. The ratio
of the speed of the boat in still water to the speed of the stream is 5: 3. How much time will the boat take to cover 30 km upstream?Solution
Speed of downstream = D/T = 28 × (60/30) = 56 km/hr The ratio of the speed of the boat in still water to the speed of the stream = 5: 3 (5x, 3x) => 8x = 56 => x = 7 Speed of upstream = 5x – 3x = 2x = 14 km/hr Distance = 30 km Time = D/S = 30/14 = 2(1/7) hrÂ
Which bears the same relationship to the third word as the first two bear to each other.
Botany : plants :: Entomology : ?
Eight people M, N, P, S, T, V, X and Y are sitting in a straight line and all are facing north.
N sits second from one of the extreme ends of the...
Four letter-clusters have been given, out of which three are alike in some manner and one is different. Select the one that is different.
(Note: ...
Select the correct mirror image of the given figure, when the mirror is placed at line MN as shown.
Select the option in which the given figure is embedded (rotation is NOT allowed).
Which letter-cluster will replace the question mark (?) to complete the given series?
VQSN, ?, ROOL, PNMK, NMKJ
Which two numbers (not digits) should be interchanged to make the given equation correct?
48 ÷ 3 + 12 × 4 – 6 × 7 + 21 = 27Â
J is the daughter of K. K and L are sisters. M is the mother of L, and N is the father of M. How is N related to K?
P, Q, R, S, T and U are sitting around a circular table facing the centre (but not necessarily in the same order). P is second to the left of T. Q is an...
In a certain code language, ‘FINAL’ is written as ‘GHPNY’ and ‘VISIT’ is written as ‘GXUVG’. How will ‘GROUP’ be written in that lan...
