Quantitative Aptitude - Arithmetic Ability Questions

Sum of lengths of all edges of a cube is 84 cm, find its volume?

A person invested a total sum of Rs 7900 in three different schemes of simple interest at 3%, 5% and 8% per annum. At the end of one year he got same interest in all three schemes. What is the money (in Rs) invested at 3%?

What is the value of 10.2+10.02+10.002+... upto 9 terms

Three categories of employees get wages in the ratio of 1 : 2 : 3. If they get increments of 5%, 10% and 15% respectively, what will be the new ratio of their wages?

If Sin x = 4/5, then Cosec x + Cot x =

Simplify the equation 0.733+0.2730.732+0.272-0.73×0.27

In the given figure, PQR is a triangle and quadrilateral ABCD is inscribed in it. QD = 2 cm, QC = 5 cm, CR = 3 cm, BR = 4 cm, PB = 6 cm, PA = 5 cm and AD = 3 cm. What is the area in sq.cm of the quadrilateral ABCD?

If x3+ 2x2– 5x + k is divisible by x + 1, then what is the value of k?