EASY
10th Rajasthan Board
IMPORTANT
Earn 100

The distance between A and B is 125 km and there are Eight (8) traffic signals in between A and B. If a car by 50 km/h speed reaches point B crossing all green signals in 2 hours and 30 minutes but on other days due to heavy traffic it happens to stop as follows. First Traffic Signal-1 minute, Second Traffic Signal-2 minutes and up to Eight(8th) signal-8 minutes. Calculate the total time taken by that car if it follows the total traffic signals.

Important Questions on Arithmetic Progressions

MEDIUM
10th Rajasthan Board
IMPORTANT
Find the sum of all the natural numbers divisible by 5 between 2 and 101.
EASY
10th Rajasthan Board
IMPORTANT
A car passes through a first signal in 3 minutes, second in 6 minutes, third in 9 minutes. In how much time it passes through 13th signal?
MEDIUM
10th Rajasthan Board
IMPORTANT
If second and third terms of an A.P. are 24 and 28 respectively, then find the sum of first 61 terms.