Arithmetic Ability
Average

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Q.

In an NGO the daily average wages of 20 illiterate employees is decreased from Rs.25 to Rs.10, thus the average salary of  all the literate and illiterate  employees is decreased Rs.10 per day. The No. of educated employees working in the NGO is :

View Answer

Correct choice: C

Explanation:

Total employees = (25−10)×20/10=30 Hence number of educated employees = 30-20 = 10
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