Question : Mita's income is 25% more than that of Sita. What percentage is Sita's income less than that of Mita?

Option 1: $25$%

Option 2: $24$%

Option 3: $22\frac{1}{2}$%

Option 4: $20$%

Question : Rani's weight is 25% that of Meena's and 40% that of Tara's. What percentage of Tara's weight is equal to Meena's weight?

Option 1: 160%

Option 2: 140%

Option 3: 120%

Option 4: 100%

Question : If A's salary is 30% more than B's salary, then by what percentage is B's salary less than that of A? (correct to one decimal place)

Option 1: 17.5%

Option 2: 23.1%

Option 3: 25%

Option 4: 19.7%

Question : If A's income is 40% of B's income and B's income is 24% more than C's income, then by what percentage is C's income more than A's income? (Your answer should be correct to one decimal place.)

Option 1: 104.2

Option 2: 75.6

Option 3: 101.6

Option 4: 50.4

Question : If $a + b + c = 10, a^2 + b^2 + c^2 = 38$, what is the value of $(a - b)^2 + (b - c)^2 + (c - a)^2?$

Option 1: 15

Option 2: 12

Option 3: 14

Option 4: 13