17. If 2x, x + 10, 3x + 2 are in A.P., then x is equal to
(a) 0
(b) 2
(c) 4
(d) 6
17. If 2x, x + 10, 3x + 2 are in A.P., then x is equal to
(a) 0
(b) 2
(c) 4
(d) 6
Harshit Singh , 3 Years ago
Grade 12th pass
10 grade maths> 17. If 2x, x + 10, 3x + 2 are in A.P., th...
1 AnswersPawan Prajapati
Last Activity: 3 Years ago
Answer: d Explaination:Reason: Since 2x, x + 10 and 3x + 2 are in A.P. ∴ 2(x + 10) = 2x + (3x + 2) ⇒ 2x + 20 – 5x + 2 ⇒ 2x – 5x = 2 – 20 ⇒ 3x = 18 ⇒ x = 6
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