Question

The speed of a car increases by 2 kms after every one hour. If the distance travelling in the first one hour was 35 kms. what was the total distance travelled in 12 hours?
Select one:
a. 453 Km
b. 428 Km
c. 552 Km
d. 436 Km​

Answer 1

First term (a)= 35. 12th term = a + 11d = 35 + 2*11 = 57. Sum = (12 /2) *(35 + 57) = 552. Total distance traveled = 552 Km.

In short ans is 552.

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