Quantitative Aptitude - Arithmetic Ability Questions

If xy = 22 and x2+ y2= 100, then what will be the value of (x + y)?

A crate of egg holds one rotten egg out of every 25 egg in it. If 5 out of 8 rotten eggs are unusable and there are total 10 unusable eggs in the crate,then calculate the number of eggs in the crate.

A shopkeeper marks up his wares by 125% and offers 25% discount. What will be the selling price if the cost price (in Rs) is Rs 640?

A tyre is sold at three successive discounts of 20%,30%, and 20%. What is the net discount (in percentage)

Ratio of A's age to B's age is 4:3. 'A' will be 26 years old after 6 years. The age of B now is

If Tan θ = 9/40, then Sec θ = ?

What will be the net discount (in %) of two successive discounts of 15% and 35%?

What approximate value should come in place of the question mark (?) in the following equation (Note: You are not expected to calculate the exact value)? 499.99 + 1999 ÷ 39.99 × 50.01=?