A) 25
B) 30
C) 40
D) 45
Correct Answer: A
Solution :
Let the number of questions in examination \[=x\] By given condition, 40% of \[x=10\] \[\therefore \] \[\frac{x\times 40}{100}=10\] \[\Rightarrow \] \[x=\frac{1000}{40}=25\]You need to login to perform this action.
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