How to solve IPMAT 2020 - Quantitative Aptitude Question 20?

This question can be solved by applying the core concept explained in the solution above, followed by step-by-step calculation and elimination of options.

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This question tests fundamental concepts commonly asked in IIM IPMAT exams.

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IPMAT 2020 - Quantitative Aptitude Question 20

This is a detailed step-by-step solution for IPMAT 2020 - Quantitative Aptitude Question 20. Understand the concept, common mistakes, and expert tips to solve similar questions in IIM IPMAT exam.

IPMAT 2020 - Quantitative Aptitude

Efficiency of 1st worker = 2x Efficiency of 3rd worker
Let efficiency of 3rd worker be x
The efficiency of 2nd worker be Y units 1 hr.
Let the total work be 30 units
Time Taken = (Work Done)/Efficiency
Efficiency of 1st worker = 2x
Together they take 1 hr. to build a wall i.e. do 30 units of work

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