Data Interpretation Practice Test 1

Line Graph (Type B)
Directions (27-31): Study the given graph and answer the questions that follows.

Question : 30 of 90

Marks: +1, -0

If the rate of acceleration goes down after 8th hour, the train will stop at:

Solution:

Rate of drop in acceleration at 8th hour

= \text"(Speed at 8 ) - (Speed at 7 )"/\text"(8 7) hour"

={70-50}/1

= 20 km/hrs
Now, speed at 8th hour = 50 kms/hr
Therefore, the train will stop after (50/20 = 2.5), i.e., 2 hours 30 minutes.

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