E. None of these
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.