Select the odd number from the given alternatives.
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(secA - tanA)/(cosecA + cotA) is equal to
1.1 + 12.12 + 123.123 = ?
Two taps X and Y can fill a tank in 15 hours and 20 hours respectively. If the two taps are opened at 2 p.m., then at what time (in p.m.) should the tap X be closed to completely fill the tank at exactly 2 a.m.?
Solve the following : 27 - [38 - {46 - (15 - 13 - 2)}]
A shopkeeper by selling 20 Timex watches, earns a profit equal to the selling price of 4 Timex watches. His profit percentage is
In how many different ways could couples be picked from 6 men and 9 women ?
Number of mens = 8
Number of womens = 5
Different ways could couples be picked = C16× 9C1 = 9 x 6 = 54 ways.
Expand and simplify (2x + 5)2 *(4x - 1) - (3x3 - 16x2 + 25x - 21)