A bicycle wheel makes 5000 revolutions in moving 11 km. Then the radius of the wheel (in cm) is :


A) 70

B) 35

C) 17.5

D) 140

E) None of these

Correct Answer:
B) 35

Description for Correct answer:
Let the radius of wheel = r cm

According to question,

Circumference of wheel (2\( \large \pi \)r) x number of revolutions = 1 km

2 x \( \Large \frac{22}{7} \) x r x 5000 = 11 x 1000 x 100

r = \( \Large \frac{7 \times 11 \times 1000 \times 100}{2 \times 22 \times 5000} \) = 35cm

Part of solved SBI JuniorAssociate-2 questions and answers : Exams >> Bank Exams >> SBI JuniorAssociate-2








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