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RKP

· started a discussion

· 1 Months ago

Resume (Question: 107813.0 )

I was attempting maths paper 1. Suddenly light went off. why can not I resume my paper? please reply Fast.

Question:
The unit digit of [(731)102 + (251)725 – (106)100 +(705)35 – (16)4 + 188] is:
Options:
A)

1

B) 3
C) 5
D) 6
Solution:
Ans: (b) Unit digit in [(731)102 + (251)725 – (106)100 + (705)35 – (16)4 + 188]

= [1 + 1 – 6 + 5 – 6 + 8] 

= (1+1-6+5-6+8) = (15-12) =3 

Knowledge Expert

· commented

· 1 Months ago

Dear Student,

it is occurs due to technical issue. you have to retake this test.

Keep learning keep solving
Best wishes
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