Problems on Arithmetic Geometric Progressions

Q11. If x, x+2, 3x are in A.P. then x = ?
(a) 2
(b) 3
(c) 4
(d) 5

Q12. The third term of a geometrical progression is 5. The product of the first 5 terms is
(a) 2²
(b) 3³
(c) 4⁴
(d) 5⁵

Q13. In a G.P, the first term is 4 and the common ratio is 2. The 7th term is
(a) 198
(b) 206
(c) 256
(d) 312

Q14. The sum of first 15 natural odd number is
(a) 175
(b) 225
(c) 275
(d) 315

Q15. Three numbers are in G.P. Their sum is 28 and product is 512. The numbers are
(a) 4, 8, 16
(b) 6, 12, 24
(c) 3, 9, 27
(d) 2, 4, 16

Q16. Which term of the series 64 + 56 + 48 + ------ is zero
(a) 7
(b) 9
(c) 11
(d) 12

Q17. How many 3-digit numbers are divisible by 5 ?
(a) 160
(b) 165
(c) 175
(d) 180

Q18. How many numbers are there between 20 and 200 which are exactly divisible by 6 ?
(a) 20
(b) 25
(c) 30
(d) 35

Q19. The first term of an A.P. is 6 and its common difference is 5. The 10th term is
(a) 39
(b) 43
(c) 51
(d) 57

Q20. What is the next number in A.P. 7, 9, 11, 13, ?
(a) 15
(b) 17
(c) 19
(d) 21

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