Arithmetic Ability
Area

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Q.

A typist uses a sheet measuring 20cm by 30cm lengthwise.If a margin of 2 cm is left on each side and a 3 cm margin on top and bottom, then percent of the page used for typing is

View Answer

Correct choice: A

Explanation:

Area of the sheet = (20×30)cm2 Area used for typing = [(20−4)×(30−6)]cm2 required % =384600×100 =64%
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