: Lets calculate the percentage of income and expenditure #IndiaNEWS #Education Today This article is in continuation to the last article focusing on the percentage topic. Here are some practice questions
Lets calculate the percentage of income and expenditure #IndiaNEWS #Education Today
This article is in continuation to the last article focusing on the percentage topic. Here are some practice questions along with solutions that will help you in your preparation for the State government recruitment jobs.
1. A person spends 30% of monthly salary on rent, 25% on food, 20% on children’s education and 12% on electricity, and the balance of Rs 1040 on the remaining items. What is the monthly salary of the person?
a) Rs 7,000 b) Rs 8,000 c) Rs 7,500 d) Rs 8,500
Ans: b
Solution: 100% (30 25 20 12)%
100% 87%
13% = 1040
1% = 80
100% = 100 × 80 = Rs 8,000
2. If 60% of A’s income is equal to 75% of B’s income, then B’s income is equal to x% of A’s income, the value of x is?
a) 70% b) 75% c) 80% d) 85%
Ans: c
Solution: 60% of A = 75% of B
A : B = 5 : 4
Therefore, required percentage = 4/5 × 100% = 80%
3. The income of Arun is 20% more than that of Bhargav and 20% less than that of Kiran. If Kiran’s income goes down by 4% and Bhargav’s income goes up by 10%, then the percentage by which Kiran’s income will exceed Bhargav’s is?
a) 30% b) 30. 9% c) 31% d) 31. 9%
Ans: b
Solution: Arun : Bhargav = 120 : 100
= 6 : 5
Arun : Kiran = 80 : 100
= 4 : 5
Arun : Bhargav = (6 : 5) ×2
Arun : Kiran = (4 : 5) ×3
Arun : Bhargav : Kiran
12 : 10 : 15
11 14. 4
3. 4
3. 4/11 × 100% = 30. 9%
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