Question

the spped of a car is increased by 2 km every one hour.the distance travelled by the first hour was 35 km,what was the total distance travelled in 12 hour?​

Answer 1

Answer:

Speed in every subsequent hour is 2 more so 37 kmph, 39 kmph ... Total distance travelled in 12 hrs will be the sum of distances travelled in each of these 12 hrs: 35 + 37 + 39 + 41 + ... Total Distance traveled in hours = Sum of A.P series with ,and i.e Kms

Answer 2

Step-by-step explanation:

35 + 37 .... 12 terms

here a = 35

d = 2

n = 12

then ,

Sum of the series ,

S = n/2 [ 2n + (n-1) d ]

put the values & solve / calculate it ,

because I'm feeling sleepy