If yx=37 and x + 2y =13 then y is _

A 2

B 3

C 4

D 7

Correct Answer: 3

yx = 37⇒xy = 73⇒x = 73y .......(i)⸫x + 2y = 13⇒73y + 2y = 13 [(i) নং হতে]⇒7y + 6y3 = 13⇒13y = 39⇒y = 3913⸫ y = 3

Bissoy MCQ Team

May 27, 2023

#গণিত #Bangladesh Bank #Assistant Director (General) 06.07.18

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