Question

(1) On the first day of the sale of tickets of a drama, 35 tickets in all were sold. If the rates of the
tickets were Rs 20 and Rs.40 per ticket and the table collection was Rs.900. find the number of
tickets sold of each rate.
AD the first term ies and last term is 45 If the sum of all numbers in the AP is 120.how to solve it ​

Answer 1

Answer:

(1) Answer: 25 tickets - Rs 20

                  10 tickets  - Rs 40

(2) Use this formula:

Sn = (n/2)(a + l)

Here,

l = last term

a = first term

n = total terms