Quantitative Aptitude - Arithmetic Ability Questions

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

What is the measure of an interior angle of a regular dodecagon?

Find the sum of first 8 odd prime numbers.

If the diameter of a circle is 35 cm, then what will be its circumference (in cm)?

Four numbers A, B, C and D are such that their overall average is 16. The average of A and B is 9.5. The average of C and D is

In the following question, four number pairs are given. The number on left side of (–) is related to the number on the right side of (–) with some Logic/Rule/Relation. Three are similar on basis of same Logic/Rule/Relation. Select the odd one out from the given alternatives.

A circle is inscribed in a square. If the length of the diagonal of the square is 14√2 cm, what is the area of the circle?

Find out the odd word/letters/number/number pair from the given alternatives.