A to Z Exams

5, 9, 15, 19,                .

If the second term of a geometric progression is 2 and the sum of the series to infinityis 8, then the first term is

Typist : Typewriter : : Writer: ?

Find what is the next letter. Please try to find. O,T,T,F,F,S,S,E,N,_ What is that letter?

P, Q, R, S and T are playing a game of cards. P says to Q, "If you give me six cards, you will have as many cards as T has and if I give you three cards, you will have as many cards as S has." P and Q together have 20 cards more than what S and T together have. If Q has two cards more than what R has and the total number of cards be 133, how many cards does Q have?

Certain number of girls made a plan for one day trip. Their budget to spend on snacks was Rs. 192. But, one of them did not turn up for the trip. Because of this, the remaining girls had to contribute Rs. 8 each in extra. Find out the number of girls who went for the trip.

1, 1, 2, 6, 24,?, 720

2, 12, 30, 56, ?, 132, 182

625, 5, 125, 25, 25, ?, 5

P3C, R5F, T8I, V12L, ?

A,G,L,P,S …?

If the nth term of an A.P. is 4n + 1, then the common difference is

1, 1,  3/4  ,1/2,5/16,.........................,

0, 11, 26, 45,               .

80, 75, 65, 50,               .

4, 9, 20, 43, 90,               .

f(6, 4) equals to

1W  2V  3U  5T  ?  13R

HV  GT FR EP DN    ?

I  M  Q ?

258  130  66  ?  18  10

2  3  4  6  8  ?  16  24

D  F  I  M  R  ?

2  4  8  14  22  ?

Complete the following series.1, 1, 4, 12, 27, 51,     .

Boxes numbered 1, 2, 3, 4 and 5 are kept in a row, and they which are to be filled with either a red or ablue ball, such that no two adjacent boxes can be filled with blue balls. Then how many different arrangements are possible, given that all balls of a given colour are exactly identical in all respects?

1, 1, 2, 6, 24,?, 720

2, 12, 30, 56, ?, 132, 182

625, 5, 125, 25, 25, ?, 5

P3C, R5F, T8I, V12L, ?