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If 54.k3 + 543 + 5.43 = 603.26, find the value of 'k'.
Question

If 54.k3 + 543 + 5.43 = 603.26, find the value of 'k'.

A.

6

B.

5

C.

8

D.

9

Correct option is C

Given:
54.k3 + 543 + 5.43 = 603.26
Solution:

54.k3 + 543 + 5.43 = 603.26
54.k3 = 603.26 – 548.43
 54.k3 = 54.83
Comparing on both sides
=> k = 8

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