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IBPS RRB Officer Scale - 1 August 2021 Shift 1 Memory Based Test

- 38,808 cm
^{3} - 25,996 cm
^{3} - 30,804 cm
^{3} - 35,664 cm
^{3} - 40,132 cm
^{2}

Option 1 : 38,808 cm^{3}

**Given:**

Diameter of circle = 10.5 cm

The radius of sphere = Twice the diameter of the circle

**Formula used:**

Volume of sphere = 4πr^{3}/3

**Calculation:**

Radius of sphere = (10.5 × 2)

⇒ 21

Volume of sphere = [4 × (22/7) × 21^{3}] ÷ 3

⇒ [4 × (22/7) × 9261] ÷ 3

⇒ 38,808 cm^{3}

**∴ Volume of sphere is 38,808 cm ^{3}**

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