If A's salary is 25% more than B's salary, then B's salary is how much lower than A's salary?

A fraction in reduced form is such that when it is squared and then its numerator is reduced by 33(1/3)% and denominator is reduced to 20%, its result is twice the original fraction. The sum of numerator and denominator is:

• [A] 8
• [B] 13
• [C] 17
• [D] 15
• [E] None of these

What is the percentage change in the result when we add 50 to a certain number x, instead of subtracting 50 from the same number x?

• [A] 50%
• [B] 75%
• [C] 100%
• [D] 300%
• [E] Can't be determined

Three candidates contested an election and received 1136, 7636 and 11628 votes respectively. What percentage of the total votes did the winning candidate get?

• [A] 57%
• [B] 60%
• [C] 65%
• [D] 90%

In a factory there are three types of machine M₁, M₂ and M₃ which produces 25%, 35% and 40% of the total products respectively. M₁, M₂ and M₃ produces 2%, 4% and 5% defective products, respectively. what is the percentage of non-defective products ?

• [A] 89%
• [B] 97.1%
• [C] 96.1%
• [D] 86.1%
• [E] None of these

Heinz produces tomato puree by boiling tomato juice. Tomato puree has 20% water whereas tomato juice has 90% water.How many litres of tomato puree will be obtained from 20 litres of tomato juice ?

• [A] 2 litres
• [B] 3 litres
• [C] 2.5 litres
• [D] 5 litres