Question: Find the mean proportional between 64 & 81?
Options:
(A) A) 59
(B) B) 61
(C) C) 63
(D) D) 72
(E) E) 67
Ans: (D)
CoT: Formula = ab
A = 64 and B = 81
6481 = 8 9 = 72
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Question: If Rs.7500 are borrowed at C.I at the rate of 4% per annum, then after 2 years the amount to be paid is?
Options:
(A) 8112
(B) 8000
(C) 8500
(D) 7500
(E) 6500
Ans: (A)
CoT: A = 7500(26/25)2 = 8112
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Question: A no.when divided by 224 gives a remainder 43, what remainder will beobtained by dividingthe same no.17?
Options:
(A) 2
(B) 7
(C) 9
(D) 11
(E) 12
Ans: (E)
CoT: 224 + 43 = 267/17 = 12 (Remainder)
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