Question

If a : b : c = 2 : 3 : 4 and 2a – 3b + 4c = 33, then the value of c is ______.

विकल्प

• 6

• 9

• `66/7`

• 12

Answer 1

If a : b : c = 2 : 3 : 4 and 2a – 3b + 4c = 33, then the value of c is 12.

Explanation:

Let a = 2k, b = 3k and c = 4k.

Substitution gives 11k = 33, so k = 3 and c = 12.