Answer: (D)
Question: 123 : 36 : : 221 : ?
Options:
(A) 52
(B) 69
(C) 72
(D) 25
(E) 32
[CoT]: [(1+2+3)^2 = 36
(2+2+1)^2 = 25]

Answer: (C)
Question: Find the C.I. on a sum of Rs.1600 for 9 months at 20% per annum, interest being compounded quarterly?
Options:
(A) 3377
(B) 2889
(C) 2522
(D) 2678
(E) 7111
[CoT]: [A = 1600(21/20)3 = 2522]

Answer: (E)
Question: A no. when divided by the sum of 555 and 445 gives 2times their difference as quotient & 40 as remainder. Find the no. is?
Options:
(A) 220044
(B) 145778
(C) 220400
(D) 220014
(E) 220040
[CoT]: [(555 + 445) * 2 * 110 + 30 = 220000 + 30 = 220040]

Answer: (D)
Question:
A 250 meter long train crosses a man standing on the platform in 12 sec. What is the speed of the train?
Options:
(A) 228
(B) 108
(C) 1266
(D) 75
(E) 211
[CoT]: [S = 250/12 * 18/5 = 75kmph]