Q7. A man's salary was raised by 10% and then reduced by 10%. Find the
percentage change in his salary.
Q8. Rabin and Pravin are business partners. Rabin receives 38% of the profit.
If Pravin's share was Rs. 15500 in a particular year, find the total profit of that
year.
Q9. If 3 men or 4 women can earn Rs. 180 in a day, how much will 8 men and
12 women earn in a day?
Q10. If 500 kg of food lasts 40 days for 30 men, how many men will consume
675 kg of food in 45 days?
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Step-by-step explanation:
7) Let his salary 100
Raised = 10%
= 100+ 100×10/100
110.
next, Redused = 10%
= 110-110×10/100
=99
Therefore 100-99
= 1
In percentage = 1×100/100
= 1%
8) Let total = X
Then Pravin's share = 62%
Theredore > 62/100× X = 15500
= 25000
Therefore X = 25,000.
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