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Subject :IMO    Class : Class 3

Ans 1:

Class : Class 3
456 tens=4560-_=2456. You can find the answer by 4560-2456=2104.So the blank is =4560-2456=2104. This is the trick.

Ans 2:

Class : Class 3

Ans 3: (Master Answer)

Class : Class 1

(C): 456 tens = 4560

Now, it is given that

4560 –  = 2456

∴  = 4560 – 2456    
∴  = 2104


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