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Let the sum invested be A; Simple interest in three years: 3 × 25/100 × A => 3A/4 Compound interest in three years: A(1+25/100)3 – A => 61A/64 Difference between compound interest and simple interest= 13A/64 = 650 => A =3200.
Two cars start from a place with a speed of 75 km/hr at an interval of 17 minutes. What is the speed of a man coming from the opposite direction towards...
Train ‘A’ travelling with a speed of 90 km/h can cross a pole in 20 seconds. If the length of train ‘B’ is 60% less than that of train ‘A’ a...
A train started from station P and preceded towards station Q at a speed of 90 km/h. 42 minutes later, another train started from station Q and preceded...
How many seconds will a train 64 m in length, travelling at the rate of 42 km an hour, take to pass another train 82 m long, proceeding in the same dire...
1200 metres long train crosses a man who is moving in the same direction with a certain speed in 25 seconds. If the same train can cross a pole in 20 se...
Train ‘A’ can cross a pole in 6 seconds and a 120 metre long platform in 12 seconds. If the ratio of length of train ‘A’ and train ‘B’ is 2:...
A train 450 metre long takes 30 sec to cross a man running at a speed of 6 km/hr in the direction same to that of train. What is the speed of the train?
Two trains of same length are running in parallel tracks in the same direction with speed 26 km/hr and 80 km/hr respectively. The latter completely cros...
A train started from station P and preceded towards station Q at a speed of 54 km/h. 40 minutes later, another train started from station Q and preceded...
Two cars start from a place with a speed of 20 km/hr at an interval of 8 minutes. What is the speed of a man coming from the opposite direction towards ...
