Problems based on Numbers Test 6

Question : 9 of 40

Marks: +1, -0

The digit in the unit’s place of the number

(1,570)^2 + (1,571)^2 + (1,572)^2 + (1,573)^2

is:

Solution:

The digits in the unit place
So, we take

= (0 )^2+ (1)^2+ (2 )^2+ (3 )^2

= 0+1+4+9=14

So, the unit’s place = 4

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