Quantitative Aptitude - Arithmetic Ability Questions

How many balls of radius 2 cm can be made by melting a bigger ball of diameter 16 cm? (Take π = 22/7)

When a number is divided by 63 the remainder is obtained as 26. What will be the remainder when the number is divided by 3?

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

In an isosceles triangle ABC, AB = AC, XY || BC. If ∡A = 30, then ∡BXY =

A man buys 10 oranges for Rs. 3 and sells 8 for Rs. 3. Calculate his gain percent.

Ram and Rahim standing at a distance of 680m run towards each other at a speed of 8 m/sec and 9 m/sec respectively. After how long will they meet?

If (-1/2) * ( x - 5) + 3 = -5/2, then what is the value of x?

$$\begin{gathered} If (x – 2)2 + (y + 3)2 + (z – 15)2 = 0, then what is the value of \\ x + y + z – 5? \end{gathered}$$