SSC Government Jobs Exams Numerical Ability Time Distance and Speed

A car covers 1/5 of the distance from A to B at the speed of 8 km/hour, 1/10 of the distance at 25 km per hour and the remaining at the speed of 20 km per hour. Find the average speed of the whole journey-

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SSC Other Question
. Of three numbers, the second is thrice the first and the third number is three-fourth of the first. If the average of the three numbers is 114, the largest number is The average of 3 numbers is 154. The first number is twice the second and the second number is twice the third. The first number is-