The value of λ for which the 2 vectors 2i – j + 2k and 3i + λ j + k are perpendicular isÂ
Dot product of two mutually perpendicular vectors is zero. ⇒ 2 x 3 + (-1)λ + 2 x 1 = 0 ⇒  λ = 8Â
Which among the six boxes viz. A, B, C, D , E and F is the smallest?
I. B is bigger than E and F and equal to D.
II. D is smaller than or ...
In which direction is the dog with respect to his kennel?
I. The dog runs towards his master who is standing towards the left of the kennel of...
Is S is brother in law of K?
I) Â S is the only son of Q, who is mother in law of K. S is unmarried. D is daughter of P.
II) Â D an...
Six boxes, L, M, N, O, P and Q are one above the other, such that the box which is at the bottom is numbered as 1, the box above it as 2 and so on. How ...
Six persons (T, U, V, W, X, and Y) have different weights. Y is heavier than only two persons. Who is the heaviest person?
Statement I: T is h...
Six persons, A, B, C, D, E and F are sitting around a circle facing outside the centre. What is the position of B with respect to A?
I. A sits th...
Seven boxes A, B, C, D, E, F and G are kept one above the other but not necessarily in the same order. How many boxes are kept below B?
I) Â...
Five persons T, U, V, W and X sit in a row facing north direction. Who among the following sits at extreme right end?
Statement I: T sits second ...
Six books, F through K are placed one above another, where the bottommost position is 1 and the position above it is 2 and so on. Which book is placed ...
Five persons A, B, C, D and E are sitting in a row facing north. Who among the following sits at the extreme right end?
I. E sits second to the l...
