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Ishat from DPS, GURUGRAM

Subject :IMO Class : Class 9

Find the mean of 25 numbers, if the mean of 15 of them is 18 and the mean of the remaining numbers is 13.

A26
B44
C39
D16

the answer given is wrong. the solution itself states the answer as d option, i.e. 16

Ans 1:

Debojyoti Majumder from South Point School , Kolkata

Class : Class 5

Nipun Abhilash from National Public School, Banashankhari, Bangalore

Class : Class 9

The answer is option D which is 16 but it is marked as C.

Arnav Ranka from Gyan Bharati School, Saket, New Delhi

Class : Class 9

Yeah