MBA Exam

cot -1[{(1-sin a)^1/2+(1+sina)^1/2}/{(1-sina)^1/2- (1+sina)^1/2}]=..??

1) 2pie -a
2) pie-a/2
3) a/2 - 3pie
4) none of these

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MBA Other Question

Some numbers can be expressed as the sum of three of their factors. E.g. 12 can be expressed as the sum of 2, 4 and 6. How many other such numbers are there which are less than 100?(a) 16 (b) 15 (c) 7 (d) 2

1) a
2) b
3) c
4) d
What is the present value of Rs. 1500/- due after 5 years at Simple Interest of 10% per annum?I'm nt even getting the question ! pls expain the terms "present value and future value" help me out !

1) 10000
2) 15000
3) 20000
4) 25000