exam
Maths Puzzle
Numerical Ability
Solve this equation.
1/32=2^1-x
Read Solution (Total 2)
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- take log on both sides... log(1/32)=log(2^1-x)
log a/b= log-logb::: log1=0,log32=1.505,log2=0.301
ans is 6..
- 10 years agoHelpfull: Yes(0) No(0)
- 1/32 can also be written as 1/2^5.
therefore, the question can be said as 1/2^5=2^1-x.
we can also say that: 2^ -5=2^1-x
now by the property , it can be written as : -5=1-x;
by solving this we get x=6; - 10 years agoHelpfull: Yes(0) No(0)
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