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Numerical Ability
Number System
Addition of 641 + 852 + 973 = 2456 is incorrect. What is the largest digit that can be changed to make the addition correct?
a) 5
b) 6
c) 4
d) 7
Read Solution (Total 3)
-
- 641+852+973=2466,so we need 10 more.
so we can change 7 as it is largest among 4,5,7. - 10 years agoHelpfull: Yes(11) No(1)
- 641
+852
+973
= 2466 hence it can be seen that in tens place 6 is coming where as in the incorrect ans 5 is written. hence the largest digit in the tens place that can be changed is 7 - 10 years agoHelpfull: Yes(2) No(0)
- 641+852+973=2466
but here sum is 2456
hence difference=10
so largest digit is 7 - 10 years agoHelpfull: Yes(0) No(1)
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