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atul kumar

· started a discussion

· 1 Months ago

who taught you that 4000 is not a perfect square. calculate 20*20
toprankers and ssctube both are playing with careers of students atleast design your test series free of error.

Question:

     Select the odd number from the given alternatives. 

Options:
A)

 1600

B)

 2500

C)

 3600

D)

 4000

Solution:

1600=40 22500=50 23600=60 24000      is not a perfect square   

shubham bhatt

· commented

· 1 Months ago

20*20 = 400 not 4,000

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