a) 158.54 cm
b) 158.74 cm
c) 159.56 cm
d) None of these
Answer: d
Explanation: Correct sum
= (160 × 35 + 104 – 144) cm
= 5560 cm
Actual average height
= $$\left( {\frac{{5560}}{{35}}} \right)$$ cm
= 158.857 cm $$ \approx $$ 158.86 cm
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