If, when the two parties of knights encounter one another after a month, exactly one knight changes from one travelling party to the other travelling party, that knight must be
Options:
(A) P
(B) Q
(C) R
(D) S
(E) T

Q because Q always have to travel in northern route So the answer is: (B).

What should come in the place of the question mark(?) in the following equation?
69012 20167 + (51246 6) = ?
Options:
(A) 57385
(B) 57286
(C) 57476
(D) 57368
(E) None of these

? = 48845 + 512466 = 48845 + 8541 = 57386 So the answer is: (E).

What will come in place of the x in the following number series? 1, 4, 10, 22, 46, x
Options:
(A) 84
(B) 92
(C) 94
(D) 98
(E) 104

1
1 2 + 2 = 4
4 2 + 2 = 10
10 2 + 2 = 22
22 2 + 2 = 46
46 2 + 2 = 94 So the answer is: (C).

A women purchased 3 towels @ Rs.100 each, 5 towels @ Rs.150 each and two towels at a certain rate which is now slipped off from his memory. But she remembers that the average price of the towels was Rs.160. Find the unknown rate of two towels?
Options:
(A) A) 400
(B) B) 450
(C) C) 500
(D) D) 550
(E) E) 600
10 * 160 = 1600
3 * 100 + 5 * 150 = 1050
1600 1050 = 550 So the answer is: (D).