3 ? 14 55 274 1643

Let x1, x², ..., be positive integers in A.P. such that x₁ + x₂ + x₃ = 12 and x₄ + x₆ = 14. Then x5 is

If (x + z) (x – 2y + z) = (x – z)², where x, y and z are all real and distinct, then

(51 + 52 + 53 + ……… + 100) is equal to:

Complete the series 25, 125, 36, 216, 49, ___

61 72 ? 73 59 74 58

What is the sum of ‘n’ terms in the series: logn? log?(m² / n??) + log?(m³ / n²) + ?log(?m⁴ / n³)

His report, including thorough notes on the background investigation, were well received

One of the editors must work completely alone for the whole day in order to prevent confusion and disorder. If no other editor can afford to lose his available time, then the only possible editor privileged with working alone is

(A) All batsmen are bowlers.       (B) No bowler is a keeper.

(C) Some bowlers are batsmen.   (D) Some keepers are bowlers.

(E) All keepers are batsmen.        (F) Some batsmen are not keepers.