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Numerical Ability
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Find the sum of digits of (16^100)*(125^135)??
Read Solution (Total 5)
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- 16=> 2^4
16^100=>2^400
125=>5^3
125^135=>5^405
2^400*5^405=>10^400*5^5
5^5=>3125
=>3+1+2+5=>11ans - 10 years agoHelpfull: Yes(91) No(8)
- Anand we dont need to add 1..
becoz at the end we got 10^400*3125
this will be (100000.....400times zero)*3125
afetr multiplying we will get (3125000000....400times zero)
hence
ans is 3+1+2+5=11. - 10 years agoHelpfull: Yes(29) No(4)
- 16=> 2^4
16^100=>2^400
125=>5^3
125^135=>5^405
2^400*5^405=>10^400*5^5
5^5=>3125
=>3+1+2+5=>11 and add 1 for 10^400
so final ans =11+1=12 - 10 years agoHelpfull: Yes(16) No(31)
- NICE QUESTION !!!
- 10 years agoHelpfull: Yes(3) No(2)
- 11 is the answer
- 10 years agoHelpfull: Yes(2) No(1)
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