Quantitative Aptitude - Arithmetic Ability Questions

Sin6A + Cos6A - 1 is equal to

What is the sum of the first 11 terms of an arithmetic progression if the 4th term is 11 and the 7th term is -4?

Find the sum of first 8 odd prime numbers.

In a triangle ABC, if ∡A +∡C = 140° and ∡A + 3∡B = 180°, then ∡A is equal to

In a factory, 60 workers can stitch 120 m of clothes in 7 days, what length of clothes can be stitched by 70 workers in 5 days?

What will be the average of all the prime numbers before 19?

Simple interest on a sum of Rs 3300 for 5 years is Rs 1980. What is the annual rate (in percentage) of interest?

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