Quantitative Aptitude - Arithmetic Ability Questions

The simple and compound interest that can be earned in two years at the same rate is Rs 4000 and Rs 4180 respectively. What is the rate (percent per annum) of interest?

A starts a cement trading business by investing Rs 5 lakhs. After 2 months, B joins the business by investing Rs 10 lakhs and then 4 months after B joined C too joins them by investing Rs 20 lakhs. 1 year after A started the business they make Rs 3,50,000 in profit. What is B's share of the profit (in Rs)?

What would be the smaller of the two angles formed by the hour hand and the minute hand at 3:47 p.m?

Find the area (in sq units) enclosed by y = 0, x+6=0 and 2x-3y=6.

If 21% of an electricity bill is discounted, Rs 1817 is still to be paid. How much was the original bill amount?

If (a + b)/c = 6/5 and (b + c)/a = 9/2, then what is the value of (a + c)/b?

If a = 73, b = 74 and c = 75, then what is the value of a3 + b3 + c3 – 3abc?

PQR is a right angled triangle in which PQ = QR. If the hypotenuse of the triangle is 20 cm, then what is the area (in cm2) of the triangle PQR?