Prephub - Evaluate 7 rfrac15s when r3 s5

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Free Sample Paper! Boost your grades with additional practice papers.

Question

Difficulty Level:

Easy

MCQ

Evaluate $7 r-\frac{15}{s}$ when $r=3, {~s}=5$

Select all that apply :

$18$

$17$

$15$

$16$

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