NCERT Exemplar Solutions
Class 7 - Mathematics - Unit 4: Simple Equations - Multiple Choice Questions
Question 9

Question.  9

If \(k + 7 = 16\), then the value of \(8k - 72\) is

(a)

0

(b)

1

(c)

112

(d)

56

Detailed Answer with Explanation:

\(k + 7 = 16 \implies k = 9\).

\(8k - 72 = 8(9) - 72 = 72 - 72 = 0\).

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NCERT Exemplar Solutions Class 7 – Mathematics – Unit 4: Simple Equations – Multiple Choice Questions | Detailed Answers