Answer: (B)
Question: Find the simple interest on Rs.350 for 10 months at 5 paisa per month?
Options:
(A) 277
(B) 175
(C) 288
(D) 266
(E) 121
[CoT]: [I = (350*10*5)/100 = 175]

Answer: (C)
Question: The sale price shirts listed f or Rs.400 after successive discount is 10% and 5% is?
Options:
(A) 280
(B) 290
(C) Rs.342
(D) 250
(E) 253
[CoT]: [400*(90/100)*(95 / 100) = 342]

Answer: (A)
Question: Out of 7 consonants and 4 vowels, how many words of 3 consonants and 2 vowels can be formed?
Options:
(A) 25200
(B) 2543
(C) 2344
(D) 233445
(E) 52757
[CoT]: [Number of ways of selecting (3 consonants out of 7) and (2 vowels out of 4) = (7C3 x 4C2) = ( 7 x 6 x 5 x 4 x 3 ) 3 x 2 x 1 2 x 1 = 210. Number of groups, each having 3 consonants and 2 vowels = 210. Each group contains 5 letters. Number of ways of arranging 5 letters among themselves = 5! = 5 x 4 x 3 x 2 x 1 = 120. Required number of ways = (210 x 120) = 25200.]

Answer: (C)
Question:
A box contains nine bulbs out of which 4 are defective. If four bulbs are chosen at random, find the probability that atleast one bulb is good.
Options:
(A) 125/127
(B) 127/125
(C) 125/126
(D) 126/125
(E) 126/127
[CoT]: [Required probability = 1 - 1/126 = 125/126]