Quantitative Aptitude - Arithmetic Ability Questions

Select the odd word/letters/number/number pair from the given alternatives.

If X is a prime number, LCM of X and its successive number would be

What should be the missing digit so that the number 275_476 becomes exactly divisible by 11?

The 2nd and 8th term of an arithmetic progression are 17 and -1 respectively. What is the 14th term?

Find the value of x if 0.08x + 0.04y = 10 and 0.2(x-1) + 0.4y = 24.8

ΔPQR is right angled at Q. If secP = 13/5, then what is the value of sinR ?

The area of a square is equal to its side, if the side is 1 unit.

In the following question, select the missing number from the given series.1 108, 81, 54, 27, ?