Quantitative Aptitude - Arithmetic Ability Questions

Seven friends spent Rs 14 each on a project and the eighth friend spent Rs 21 more than the average expenditure of all eight of them. What is the amount of total money (in Rs) spent by them?

If a + b = 11 and a2+ b2= 61, then value of ab is

If (1/cos θ) – (1/cot θ) = 1/P, then what is the value of cos θ?

If Cosec θ = 17/8, then what is the value of Cos θ?

After selling 5% of a quantity of sugar, 5 Kgs of sugar remains . Find the total quantity of sugar?

A 12 m long wire is cut into two pieces, one of which is bent into a circle and the other into a square enclosing the circle. What is the radius of the circle?

In the following question, select the odd word from the given alternatives.

A sphere of radius 21 cm is cut into 8 identical parts by 3 cuts (1 cut along each axis). What will be the total surface area (in cm2) of each part?