**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)

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