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Aishee Chatterjee from DPS Durg, Bhilai

Subject :NSO Class : Class 6

If 'a' denotes '+', 'b' denotes '÷', 'c' denotes '–' and 'd' denotes '×', then find the value of 28b7d8c6a4.

A
B32
C30
D34

Ans 1:

Pari from JSS Private School Al Safa, Mumbai

Class : Class 7

I think BODMAS/PEMDAS doesn't exist anymore...