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Car head lights have concave mirrors because it collects and focuses as much aspossibleofthelightfromthebulbandsendit out as a fairly tight beam in one direction only. The bulb of the head light is placed at the focal point. The reflected light is parallel and gives more visibility to the driver at night.
B is 4 years older than A and A is 7 years older than C. If the sum of the age of A and C is 25 years, then find the sum of the ages of all three.
Amit age after 13 years will be 2 times his age 2 years back. What is the present age of Amit?
The ratio of Anil’s age to Anila’s age is 6 : 5 and the sum of their ages is 66 years. What will be the ratio of their ages after 14 years?
Present age of ‘M’ is 25% more than that of ‘N’. 5 years ago, ‘M’ was 1.5 times as old as ‘N’. Find the present age of ‘N’.
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