B. Write the pair of integers whose: 1. sum is - 7 – InterviewSolution

1.	B. Write the pair of integers whose: 1. sum is - 7
Answer» Question :An object travels 20m in 4s and then other 20m in 10s . What is the average speed of the object ?Solution :As PER the question we have two cases so LET's assume each as Case 1 and Case 2 respectively !Case 1 :Distance Covered : 20mTime taken : 4 secSpeed : Distance / time: 20 / 4: 5 m / secCase 2 :Distance Covered : 20 mTime taken : 10 secSpeed : Distance / time: 20 / 10: 2 m / sechuge average speed = TOTAL distance total timeaveragespeed=totaltimetotaldistance= \5 + 2 4 + 10=4+105+2= 7 40 = 0.175=407=0.175Hence , the average speed of the object is 0.175 m / SEC !!

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