Quantitative Aptitude - Arithmetic Ability Questions

If a + b = 17 and a - b = 9 then the value of (4a2 + 4b2) is,

If A purchase 9 chairs for Rs 5 and sells all the chairs at the rate of 5 chairs for Rs 9, then what will be the profit percentage?

Sahil sold an item for Rs. 280 at a loss of 20%. The cost price of the item was

The age of A is three times the age of B. What is the ratio of the age of B to the age of A?

What is the reflection of the point (5, 2) in the line x = -3?

If x3 + y3 + z3 = 3(1 + xyz), P = y + z – x, Q = z + x – y and R = x + y – z, then what is the value of P3 + Q3 + R3 – 3PQR?

Find the HCF of 48, 92 and 140

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