Quantitative Aptitude - Arithmetic Ability Questions

If cos -300° = x, then the value of x is

If P : Q = 9 : 7, then what is the value of (P – Q) : (P + Q)?

If the ∠ABC and ∠ACB of triangle ABC is 80 deg and 60 deg respectively. If the Incenter of the triangle is at point ‘I’ then calculate angle BIC.

The cost of 15 kg of groundnuts and 4 kg of cashews is Rs.7,000. The cost of 10 kg of cashews is equal to 25 kg of groundnuts. Find the cost of groundnut per kg.

How many numbers are there from 300 to 650 which are completely divisible by both 5 and 7?

The diagonal of a square is 10 cm. What is the length (in cm) of its side?

A right circular conical structure stands on a circular base of 21m diameter and is 14m in height. The total cost of colour washing for its curved surface at Rs. 6 per sq. m. is
(Take Π = 22/7 )

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