Quantitative Aptitude - Arithmetic Ability Questions

Find the odd word/number/letters from the given alternatives

From the top of a 20 m high building, the angle of elevation of the top of a tower is 60° and the angle of depression of it's foot is at 45°, then the height of the tower is (√3=1.732)

If 3x+22x+1 = a2x+1+bx+2 be an identity, then the value of b

Convert binary 10110 to decimal.

What is the sum of the first 11 terms of an arithmetic progression if the first term is -31 and last term is 29?

If 5x + 5 > 2 + 2x and 5x + 3 ≤ 4x + 5; then x can take which of the following values?

If the difference of the compound interest and the simple interest on a sum of money for 3 years is Rs. 186. Find the sum of money, if the rate of interest in both case be 10%

Ram and Rahim standing at a distance of 680m run towards each other at a speed of 8 m/sec and 9 m/sec respectively. After how long will they meet?