Question
Viraj invested Rs. 3500 at 20% p.a. simple interest for
3 years. After 3 years, he invested the amount received by him at the 20% p.a. compound interest, compounded annually for another 2 years. Find the final amount received by Viraj at the end of 5 years.Solution
Amount received by Viraj after 3 years of investment = (3500 × 20 × 3)/100 + 3500 = Rs. 5600 Therefore, sum invested by Viraj at compound interest = Rs. 5600 Amount received by Viraj at the end of 5 years = 5600(1 + 0.2)2 = Rs. 8064
A car moving at 72 km/h is brought to rest in 10 seconds. What is its acceleration? Â
Frequency modulation (FM) changes:
How does the angle of minimum deviation of a glass prism of refractive index 1.5 change, if it is immersed in a liquid of refractive index 1.25?
The moment of inertia of a thin rod of length L and mass M about an axis perpendicular to the rod and passing through a point at a distance L/4 from one...
A stream of water flowing horizontally with a speed of 20 m/s pushes out of a tube of cross-sectional area 10-1m2 and hits at a v...
Focal length of a concave lens with power –2 D:
Which graph represents uniform motion?
What will happen to the volume of ozone, when it is heated?
Which instrument is used to measure electric current? Â
The heat required to raise the temperature of 1 kg of water by 1°C is called: Â
Relevant for Exams:
