The speed of a car increases by 2 kms after every one hour. If the distance travelling in the first one hour was 50 kms. what was the total distance traveled in 12 hours?  Options:	A) 252 kms	B) 152 kms	C) 732 kms	D) 752 kms	E) 152 kms
Explanation:   Total distance travelled in 12 hours =(50+52+54+.....upto 12 terms)   This is an A.P with first term, a=50, number of terms,   n= 12,d=2.   Required distance = 12/2[2 x 50+{12-1) x 2]   =6(122)   = 732 kms.   Answer: 732 kms
<result>C</result>
The speed of a car increases by 2 kms after every one hour. If the distance travelling in the first one hour was 50 kms. what was the total distance traveled in 12 hours?