Quantitative Aptitude - Arithmetic Ability Questions

Find the circumference (in cm) of a circle of radius 17.5 cm.

The sum of two digits of a number is 10. If the digits are interchanged, then its value increases by 18. Find the number.

If sinθ + cosθ = 1, then the sinθ cosθ is equal to

If 1+121+141+161+181-131-151-17 = 1+ 1x, then what is the value of x?

Which of the following numbers is not composite?

ABC is an equilateral triangle and P is the orthocenter of the triangle, then what is the value (in degrees) of ∠BPC?

A hexagonal prism has 18 edges. How many vertices does it have?

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