If the seventh term of an A.P. is 1/9 and its ninth term is1/7, find its (63)^rd term. (CBSE 2014)

The sum of first q terms of an A.P. is 63q – 3q². If its pth term is-60, find the value of p. Also, find the 11^th term of this A.P. (CBSE 2013)

Find the number of natural numbers between 101 and 999 which are divisible by both 2 and 5. (CBSE 2014)

The sum of the first 7 terms of an A.P. is 63 and the sum of its next 7 terms is 161. Find the 28^th term of this A.P. (CBSE 2014)

Ram kali would need Rs.1800 for admission fee and books etc., for her daughter to start going to school from next year. She saved Rs.50 in the first month of this year and increased her monthly saving by Rs.20. After a year, how much money will she save? Will she be able to fulfill her dream of sending her daughter to school? (CBSE 2014)