Quantitative Aptitude - Arithmetic Ability Questions

If cot 135° = x, then the value of x is

In the following question, select the odd word pair from the given alternatives.

Rearrange the jumbled up letters in their natural sequence ad find the odd one out.

A number when divided by the sum of 555 and 445 gives two times their difference as quotient and 30 as the remainder. The number is

Vikash purchased 5 bananas for Rs.4 and sold 4 bananas for Rs.5. Calculate his % profit?

The average weight of P, Q and R is 71 kg. If the average weight of P and Q be 66 kg and that of Q and R be 76.5 kg, then the weight (in kg) of Q is.

In triangle ABC, ∠ABC = 15 deg. D is a point on BC such that AD = BD. What is the measure of ∠ADC (in degrees)?

What is the value of S = 11x3x5 + 11x4 + 13x5x7 + 14x7 + 15x7x9 + 17x10 + ... upto 20 terms. Then what is the value of S?