If there are 120 defective widgets in the lot, Prakash:
Explanation:
Consider the solution to first question of this set.
For widgets ≤ 100, no test is required. For 100 ≥ widgets ≤ 200 test 1 is preferred. For widgets ≥ 200 test 2 is preferred.
If there are 120 widgets, he should go for test I as it is cheaper.
Hence, option (d).
Help us build a Free and Comprehensive Preparation portal for various competitive exams by providing us your valuable feedback about Apti4All and how it can be improved.