IBM
Company
Numerical Ability
Sequence and Series
Q. What is the next number of the following sequence
1/4, 1/4, 1/2, 1, 1/2, 6, ?
Read Solution (Total 4)
-
- it should be 1/4,1/4,1/2,3/2,6,_
1/4*1=1/4
1/4*2=1/2
1/2*3=3/2
3/2*4=6
6*5=30
ans=30 - 11 years agoHelpfull: Yes(6) No(1)
- Seems the series is not correct..
- 11 years agoHelpfull: Yes(2) No(0)
- plz explain it clearly
- 11 years agoHelpfull: Yes(2) No(0)
- 6 is the ans
- 11 years agoHelpfull: Yes(0) No(3)
IBM Other Question
Q. A, B, C, D, E and F are six positive integers such that
B + C + D + E = 4A
C + F = 3A
C + D + E = 2F
F = 2D
E + F = 2C + 1
If A is a prime number between 12 and 20, then
1. The value of F is
(A) 14
(B) 16
(C) 20
(D) 24
(E) 28
2. Which of the following must be true?
(A) D is the lowest integer and D = 14
(B) C is the greatest integer and C = 23
(C) B is the lowest integer and B = 12
(D) F is the greatest integer and F = 24
(E) A is the lowest integer and A = 13
Q. What is the next number of the following sequence
40, 39, 37, 33, 26, 15, ?