Examples 11 to 15 of Time and Distance

Parin Sir > Quantitative Aptitude (Maths) > Time And Distance > Examples 11 to 15 of Time and Distance
09
Aug
Examples 11 to 15 of Time and Distance

(11) An motor cars moves along the four sides of  a square  at the speeds of  20, 40, 60 and  80  km/hr. Find the average speed of  the motor car around the field.

Soln. Since each side of  the square be x km is same, average spee…

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