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Subject :IMO    Class : Class 4

Which of the following numbers will continue the given series?


A 42
B 40
C 44
D 38


The pattern is:-70-2=68 then 68-4=64 then 64-6=58 then 58-8=50so 50-10=40so ans is 40=b

Ans 1:

Class : Class 4
40

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