Capgemini
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Numerical Ability
Number System
highest power of 3 in 80! ?
Read Solution (Total 13)
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- Sorry misunderstood the question...
Highest power of 3 in 80! can be calculated by
80/3^1 + 80/3^2 + 80/3^3 + 80/3^4
26 + 8 + 2 + 0 = 36
Ans : 36 - 10 years agoHelpfull: Yes(42) No(0)
- 80/3=26(ignore the remainder) then take the number as what we got 26 here and divide it by 3
like
80/3=26
26/3=8
8/3=2
and add all the result as 26+8+2=36
so the answer is 3^36 i.e 36 - 10 years agoHelpfull: Yes(19) No(0)
- 80/3^4+80/3^3+80/3^2+80/3^1
=36
- 10 years agoHelpfull: Yes(4) No(0)
- 80/5^1 = 16
80/5^2 = 3
So total no. of zero's ll be 16+3 = 19
Ans : 19 - 10 years agoHelpfull: Yes(2) No(10)
- 80/3=26
26/3=8
8/3=2
2/3=0
therefore, highest power of 3 in 80!=26+8+2+0=36. - 10 years agoHelpfull: Yes(2) No(0)
- no of zero at the end of factorial=no of 5
25 factorial ends in 6 zero
so in !50=12 zero - 10 years agoHelpfull: Yes(1) No(1)
- 80/3+80/9=26+8=34
- 10 years agoHelpfull: Yes(0) No(3)
- 80/3+80/9+80/27=26+8+2=36
- 10 years agoHelpfull: Yes(0) No(0)
- 36
80/3 + 80/3^2 + 80/ 3^3 =36
- 10 years agoHelpfull: Yes(0) No(0)
- 80/3=26
26/3=8
8/3=2
2+8+26=36 - 10 years agoHelpfull: Yes(0) No(0)
- 80/3 + 80/9 + 80/27
26 + 8 + 2
36 answer - 9 years agoHelpfull: Yes(0) No(1)
- Ans= 36
80/3=26
26/3=8
8/3=2
above omit the all remainders
now add all the numbers ---> 26+8+2=36 - 7 years agoHelpfull: Yes(0) No(0)
- since 3 is a prime number, so here is the trick
divide the factorial number by 3 complete in numbers, not in points
80/3=26
26/3=8
8/3=2
therefore 26+8+2=36 - 7 years agoHelpfull: Yes(0) No(1)
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