Question

plz tell me fast .......

Answer 1

Answer:

c) 50

Step-by-step explanation:

$121/0.77*\pi =50$

Answer 2

$\huge\mathbb{A~N~S~W~E~R}$

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☆ For this type of queation we have to

take circumference of wheel.

→ We know that ,

☞ Diameter = 2 * radius

$r = \frac{77}{2} = 38.5 \: cm$

→ Circumference :-

$= 2\pi r \\ \\ = 2 \times \frac{22}{7} \times 38.5 \\ \\ = 242 \: cm$

→ Whell cover 242 meter in one

revolution .

→ Required revolution :-

$= \frac{121}{242} \\ \\ = 0.5 \: \: revolution$

→ Wheel covers 121 m in half revolution.

${\large\color{Red}{Answer~is~half~revolution. }}$

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