Difference between a number and its 3/5 is 300. 20% of that number: MCQ with Answer and Explanation
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Question #1
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A's salary is 50% of B's salary which is 40% of C's salary. What percent of C's salary is A's salary?
Correct Answer: Option B
Explanation:
A = 0.5B, B = 0.4C → A = 0.5×0.4C = 0.2C = 20% of C.
A = 0.5B, B = 0.4C → A = 0.5×0.4C = 0.2C = 20% of C.
This question belongs to:
Maths
Percentage
Question #3
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Income of A is 20% more than B. B's expenditure is 30% less than A's. A saves 10% of his income. B saves what % of his income?
Correct Answer: Option B
Explanation:
Let B inc = 100, A inc = 120. A sav = 12, A exp = 108. B exp = 70% of 108 = 75.6. B sav = 100-75.6 = 24.4, i.e. 24.4%.
Let B inc = 100, A inc = 120. A sav = 12, A exp = 108. B exp = 70% of 108 = 75.6. B sav = 100-75.6 = 24.4, i.e. 24.4%.
This question belongs to:
Maths
Percentage
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