(Ans: 500) 4) The minimum charge of telephone calls up to 175 calls is Rs. 200 the charge for each
extra call of 2 minutes duration is Rs. 1. If a man paid Rs. 870.10 with 10% T. S.C and 13%
VAT for Rs telephone bill, find the number of extra calls made.
5) The distance between kalanki and Thamel is 5.4 Km. the minimum fare is Rs. 221 at the
first and the fare goes on at the rate of Rs. 11.10 per 200 meters. Find the taxi fare
between Kalanki and Thamel. (Ans Rs. 320.70)
6) Mr. Gopal hired a taxi and travelled a certain distance at 10:30pm he paid the total fare
of Rs. 345 including the additional waiting charge for 10 minutes. If the minimum fare is
RS. 21, the fare per 200m is a Rs 10.80 and the waiting charge is Rs. 10.80 per 2 minutes
find the distance travelled by him. (Ans: 5Km)
Algebraic Expression and simplification
Solved examples:
1. A) Factorize : a) 2 + 10 +
a
Sol" here,
+ 10 +
62
a?
21b2
21b2
a2
21b2
a2
7 ab
3 ab