Quantitative Aptitude - Arithmetic Ability Questions

If the shopkeeper sells an item at Rs 450 which is marked as Rs 600, then what is the discount he is offering?

If 3x + 4(1-x) > 5x -2 > 3x - 4; then the value of x is

Find the value of '?' in 512 × 125 ÷ 15625 = 3125 × 25?

A rectangular playground ground of length 125 m and width 75 m, has a walking strip of width 3 m in the middle of the ground, along the longer side. What is the area of the ground without the walking strip?

What is the third proportional to 10 and 20?

A non-zero number is greater than 7 times its reciprocal by 9.3. What is the number?

If a - b = 3 and a2+b2=25, then the value of ab is

Complete the number series by choosing the missing terms from the options. 32, 64, 256, 1536, ? ,122880,1474560