Aptitude - Sequences And Progressions And Series Test

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What is the missing number in this series: 8 2 14 6 11 ? 14 6 18 12

Find the next term in the series 123, 129, 141, 147, ______

If the sum of the first 11 terms of an arithmetic progression equals that of the first 19 terms, then what is the sum of the first 30 terms?

The eldest is

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

Which of the following element  is lightest and has the atomic number 1?

Consider a sequence where the nth term, tn=n/(n+2), n = 1, 2, .... The value of t3 x t4 x t5 x ....... x t53 equals

If log32, log3(2x – 5), log3(2x – 7/2) are in arithmetic progression, then the value of x is equal to

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

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

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

What, according to the treasury secretary, was the only way out of the exchange problem?

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

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

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

A. Some babies are boys; Some boys are fathers; Some babies are fathers B. Some films are books; Some books are good; Some films are good C. Some fruits are sweet; Some mangoes are sweet; Some fruits are mangoes D.Some mothers have babies; Some babies are boys; Some mothers have boys

19 26 40 68 124 (?) Find the nex number in the series.

23 10 40 172 885 5346

Complete the series 1, 3, 4, 13, 53, ____

1 27 127 343 729

Which of the following statements is NOT true?

In which category was the percentage of spam emails increasing but at a decreasing rate?

The internet represents that awkward _______ in all communication systems; while it _______ to bring us together, it keeps us apart

960 839 758 709 ? 675

Twenty six men - 1,2,3,....25 and 26 participate in 10km running race on a circular track of length 100m. All of them start at the same time, from the same point and run in the same direction. Their speeds, taken in the order, are in increasing AP. The time taken by 26 to meet 1, for the first time after they start is 20 sec and the time taken by 13 to complete the race is 52 minutes and 5 seconds. Find the time taken (in seconds), for all the twenty six men to meet for the first time at the starting point.

(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.

Fi nd the next term in the series 123, 129, 141, 147, ______

33 39 57 87 129 (?)

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

3 ? 14 55 274 1643

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