Q : 16 A sum of Rs is to be used to give seven cash prizes to students of a school for their overall academic performance. If each prize is Rs less than its preceding prize, find the value of each of the prizes.
It is given that
Each price is decreased by 20 rupees,
Therefore, d = -20 and there are total 7 prizes so n = 7 and sum of prize money is Rs 700 so
Let a be the prize money given to the 1st student
Therefore, the prize given to the first student is Rs 160
Let is the prize money given to the next 6 students
Therefore, prize money given to 1 to 7 student is 160,140,120,100,80,60.40