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CPT 555 views 5 replies

average age of a group of 10 students is 20 years,if average age increased by two years when two new students are joined then the average age of two new students

a).84                                                                                                                                                                   b).64

c).32                                                                                                                                                                    d).42

 

Replies (5)

( C ) is correct option

pl solve.....

32

Its 84 yaar.... 2 naye aaye thats y 44 and avg became from 20 to 22. Means 10*2=20 So answer is 44 20=64
Sorry its not 84...its 64.... Printing mistake


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