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Question -

यदि 2 +7= 17, 2z + x = 15 और 2x + y = 10, तो x + y +z का मान होगा।
(क) 42
(ख) 39
(ग) 41
(घ) 14



Answer -

(2y + z) + (2z +x) + (2x + y) = 17 + 15 + 10
2y + z + 2z + x + 2x + y = 42
3y + 3z + 3x = 42
= x ÷ y + z = 42/3
= 14 (घ)

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