Manu sold a dozen watches for Rs.1,454.64 per watch and made a profit of 16%. Find the cost price of the watches?
Manju takes 16 days to complete a work. If she works with her friend Jenny they complete it in 12 days. How many days will it take for Jenny to complete the work alone?
Solve: 10⁹ × 10² ÷ 10³
If the circumference of a circle is 22 cm, find the area of the semicircle.
Find the interest on Rs.25,000 at 12% p.a compounded annually for 3 years.