Question: Find 94 97
Options:
(A) 93/198
(B) 93/12
(C) 93/18
(D) 93/10
(E) 93/11
Ans: (C)
CoT: Here both numbers are less than 100. So they are deficient of - 6 and - 3 compared with 100. So
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Question: Find the value of y from (12)^3 x 6^4 432 = y?
Options:
(A) 2356
(B) 3467
(C) 4567
(D) 5189
(E) 5184
Ans: (E)
CoT: Given Exp. = (12)3 x 64 = (12)3 x 64 = (12)2 x 62 = (72)2 = 5184
432 12 x 62
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Question: One red flower, three white flowers and two blue flowers are arranged in a line such that
I. No two adjacent flowers are of the same colour.
II. The flowers at the two ends of the line are of different colours.
In how many different ways can the flowers be arranged?
Options:
(A) 6
(B) 4
(C) 10
(D) 12
(E) 14
Ans: (A)
CoT: The total possibilities are W@W@W@ (or) @W@W@W, where 2 blue and 1 red flowers occupy the space marked as @. Hence, the Total number of permutations is 2 x (3! / 2!) = 6.
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