For the following questions answer them individually
Which number will fit both the series of numbers?
Series A: 1, 4, 9... Series B: 1, 8, 27...
A certain sum when invested at 5% interest compounded annually for 3 years yields an interest of Rs. 2,522. Find the Principal?
Ram and Rahim standing at a distance of 680m run towards each other at a speed of 8 m/sec and 9m/sec respectively. After how long will they meet?
Simplify: $$[2\frac{1}{3} - 1\frac{1}{2}] of \frac{3}{5} + 1\frac{2}{5} \div 2\frac{1}{3}$$
If Reena sold 12 mobile phones for Rs. 188,160 which cost Rs. 14,056 per phone, what was the total profit made by her?