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Let the sum invested and simple interest received be Rs.25x and Rs.9x respectively. Let the rate of investment be r% p.a. Therefore, {(25x × 1 × r)/100} = 9x => r = 36%
A man travels some distance at a speed of 16 km/hr and returns at a speed of 8 km/hr. If the total time taken by him is 3 hrs 45 min, the distance is
A train covers a distance of 120 km at the speed of 75 km/h the next 63 km distance covers with a speed of 45 km/h and last 90 km with the speed of 40 k...
Aman and Bhanu, two friends, started running together at 40 m/s and 18 m/s, respectively, along a circular track in the same direction. How long will it...
A boy goes to school at 10 km/Hr and return at a speed of 9 km/hr. If he takes 19 hrs in all. Find the distance from his village to school?
Ravi travels the first 40% of a certain distance at a speed of 20 km/h, the next 30% at 10 km/h, and covers the remaining 30% at 12 km/h. Calculate Ravi...
X started to run from point ‘A’ to ‘B’ at a speed of 23 km/hr at 9:00 am and Y started to run from point ‘B’ to ‘A’ at a speed of 20 km/...
P' travelled from Delhi to Agra, covering a total distance of 396 km. For the initial three hours, he maintained an average speed of ‘a’ km/h. After...
A boy goes to school at 9 km/Hr and return at a speed of 8 km/hr. If he takes 17 hrs in all. Find the distance from his village to school?
A train covers a distance of 80 km at the speed of 55 km/h the next 50 km distance covers with a speed of 40 km/h and last 60 km with the speed of 80 km...
The speeds of Arun and Bhanu are in the ratio of 3:4, respectively. Both begin their journey simultaneously to cover a distance o...
