Question
Point P is 40 m to the south of point Q. Point R is 30 m
to the east of point P. Point S is 20 m to the south of point R. Point S is exactly midway between points T and U in such a manner that T, S and U form a horizontal line of 60 m. Point T is to the west of point S. How far and in which direction is point T from point Q?Solution
If the ratio of the sum invested and simple interest received after 1 year is 25:14 respectively, then find the rate of interest.
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