Question Text
Question 2 :
If salary of $X$ is $20\%$ more than salary of $Y$, then by how much percentage is salary of $Y$ less than $X$?
Question 4 :
In a certain population, only $0.03$ percent of the people have physical trait X. On the average, it will be necessary to screen how many people to find six percent of them with trait X?
Question 5 :
A number is increased by $20\%$. By what percent the new number is decreased so hat the number restores the original value?
Question 6 :
Shweta obtained $18$ marks in a test of $25$ marks. What was her percentage of marks?
Question 8 :
If $\displaystyle 1\frac{1}{2} $% of a number is $0.1$ then what will be $140\%$ of it?
Question 9 :
In some situations, comparison of two quantities (of same kind) by difference does not make much sense.
Question 10 :
Write True (T) or False (F) against each of the following statement<br/>$12:18 = 28:12$