A

Admin • 802.91K Points
Coach

Q. 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?

  • (A) 456 kms
  • (B) 482 kms
  • (C) 552 kms
  • (D) 556 kms
  • Correct Answer - Option(C)
  • Views: 4
  • Filed under category Math
  • Hashtags:
Explanation by: Admin
Total distance travelled in 12 hours =(35+37+39+.....upto 12 terms)
This is an A.P with first term, a=35, number of terms,
n= 12,d=2.
Required distance = 12/2[2 x 35+{12-1) x 2]
=6(70+23)
= 552 kms.

You must be Logged in to update hint/solution

Discusssion

Login to discuss.

Be the first to start discuss.