2,4,6,8,10,12,… is

2,4,6,8,10,12,… is

2) The sum of 5 numbers in AP is 30 and sum of their squares is 220. Which of the following is the third term ?

3) In a certain AP, 5 times the 5th term is equal to 8 times the 8th term, then its 13th term is equal to

4) If the roots of the equation (b - c)x2 + (c - a)x + (a-b) = 0 are equal, then

5) If the third term of an AP is 12 and the seventh term is 24, then the 10th term is