What is the value of Cot 45° + Cosec 60°?
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If tanA = x, then x is
4 + 16 x [{-12 x (24 - 13 - 3)} ÷ (20 - 4)] = ?
What is the digit in unit's place of the product 51 x 52 x 53 ...... 59?
Dodecahedron has 30 edges. How many vertices does it have?
Find 2 consecutive natural numbers, sum of whose squares is 25.
The age of A is three times the age of B. What is the ratio of the age of B to the age of A?
A mini-van crosses two people walking at the speed of 4.8 kmph and 6 kmph in the same direction as that in which the mini-van is heading in 4.5 s and 9 s, respectively. What is the length of the mini-van?