Question : If the salary of Manoj is 40% less than that of Subhash, then by what percentage is the salary of Subhash more than that of Manoj?

Option 1: $60$%

Option 2: $66\frac{1}{4}$%

Option 3: $66\frac{2}{3}$%

Option 4: $65$%

Question : If $a: b: c=\frac{1}{4}: \frac{1}{3}: \frac{1}{2}$, then $\frac{a}{b}: \frac{b}{c}: \frac{c}{a}=$?

Option 1: 12 : 9 : 8

Option 2: 9 : 8 : 24

Option 3: 8 : 9 : 24

Option 4: 9 : 12 : 8

Question : The sum of three fractions A, B and C, A > B > C, is $\frac{121}{60}$. When C is divided by B, the resulting fraction is $\frac{9}{10}$, which exceeds A by $\frac{3}{20}$. What is the difference between B and C?

Option 1: $\frac{1}{15}$

Option 2: $\frac{1}{10}$

Option 3: $\frac{3}{10}$

Option 4: $\frac{7}{15}$

Question : If $\frac{a^2}{b+c}=\frac{b^2}{c+a}=\frac{c^2}{a+b}=1$, then $\frac{1}{1+a}+\frac{1}{1+b}+\frac{1}{1+c}$ is:

Option 1: 1

Option 2: 2

Option 3: 3

Option 4: 4

Question : If $a+b+c=15$ and $\frac{1}{a}+\frac{1}{b}+\frac{1}{c}=\frac{71}{abc}$, then the value of $a^{3}+b^{3}+c^{3}-3abc$ is:

Option 1: 160

Option 2: 180

Option 3: 200

Option 4: 220