Learn + Solve: Shortcut, Trap & Fast Route Click to view shortcut, steps, and common mistake

Learn + solve

Shortcut used, common trap, and the fastest solving route

Shortcut used: Reduce the ratio first, then scale both terms by the same multiplier.

Solve in 3 steps:

1. Write the ratio clearly.
2. Find the common multiplier.
3. Apply it to the missing term.

Common mistake: Do not scale only one side of the ratio.

In a Mensuration practice set, a student answers 18 questions correctly out of 24. What percentage is correct?

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demo-seed original flow-test quantitative-aptitude mensuration

Mensuration · Easy Q136: The length and breadth of a rectangle are 12 cm and 7 cm. Find its perimeter. Mensuration · Easy Q137: The length and breadth of a rectangle are 15 cm and 8 cm. Find its perimeter. Mensuration · Easy Q138: The length and breadth of a rectangle are 18 cm and 9 cm. Find its perimeter. Mensuration · Easy Q139: The length and breadth of a rectangle are 21 cm and 10 cm. Find its perimeter.

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