Concept: The question tests on the basics of equation.
Solution:
5b= 6c= 7d= 120 (Given)
=> b = 120/5 = 24
c=120/6=20
& d=120/7
Thus, 7(b)(d) / c
=7*(24)*(120) / (20)* 7
= 143.64 (Approx. 144) (option c).
Modified on: Tue, 12 Oct, 2021 at 1:32 PM
Concept: The question tests on the basics of equation.
Solution:
5b= 6c= 7d= 120 (Given)
=> b = 120/5 = 24
c=120/6=20
& d=120/7
Thus, 7(b)(d) / c
=7*(24)*(120) / (20)* 7
= 143.64 (Approx. 144) (option c).
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