Income Rs. 25000, spends 64%. Income rises 20%, savings to increase 50%. % increase in expenditure: MCQ with Answer and Explanation
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Question #1
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Student A gets 20% marks and fails by 30 marks. Student B gets 32% marks and gets 42 marks more than passing. Find the total marks.
Correct Answer: Option D
Explanation:
Difference in percentage = 32% - 20% = 12%. Difference in marks = 42 + 30 = 72. 12% of Total = 72. Total = 600.
Difference in percentage = 32% - 20% = 12%. Difference in marks = 42 + 30 = 72. 12% of Total = 72. Total = 600.
This question belongs to:
Maths
Percentage
Question #2
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In an election, 20% of the votes were declared invalid. The winner got 70% of the valid votes and won by 1600 votes. Find the total number of votes polled.
Correct Answer: Option D
Explanation:
Winner got 70%, Loser 30% of valid votes. Difference = 40% of valid votes = 1600. Valid votes = 4000. Valid votes = 80% of total. Total = 4000 / 0.8 = 5000.
Winner got 70%, Loser 30% of valid votes. Difference = 40% of valid votes = 1600. Valid votes = 4000. Valid votes = 80% of total. Total = 4000 / 0.8 = 5000.
This question belongs to:
Maths
Percentage
Question #3
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Price of sugar increased 25%. A person buys 4 kg less for Rs. 100. Original price per kg was:
Correct Answer: Option C
Explanation:
Original price x, xy=100. New 1.25x(y-4)=100 → 1.25×100 - 5x =100 → 125-5x=100 → x=5.
Original price x, xy=100. New 1.25x(y-4)=100 → 1.25×100 - 5x =100 → 125-5x=100 → x=5.
This question belongs to:
Maths
Percentage
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