Maths AP,GP,HP Examples Tutorial 3

Test Your Skills

A)Find the sum of all numbers between 200 and 400 which are divisible by 7.

B)The sum of 3 numbers in GP is 56. if we subtract 1,7,21 from these numbers in that order, we obtain an arithmetic progression. Find the numbers.

For Answer Click Here

A) 8729 (B) 8,16,32