For the following questions answer them individually
Find the missing (?) in the series.
AB, CE, FI, ?, OT
X does 25% of a work in 20 days. Y joins X and they together finish the remaining work in 15 days. Y alone can do the whole work in days.
The maturity value of a certain sum after two years at 20% p.a. interest compounded annually is Rs.14,400/-. Find the principal amount.
The smallest of the fractions among 5/8, 3/4, 13/16, 7/12 is
If angles M and N measure 60° and 30° respectively. $$(\sin M) \times (\cot N)$$ =?