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Solve: 125% of 800 + 40% of 500 = ?
1200
1100
1300
1000
1200
Use fraction equivalents: 125%=45тАЛ and 40%=52тАЛ to quickly compute (45тАЛ├Ч800)+(52тАЛ├Ч500).
First percentage = 125%, First base = 800, Second percentage = 40%, Second base = 500
Result=(100125тАЛ├Ч800)+(10040тАЛ├Ч500)
Use fraction equivalents: 125%=45тАЛ and 40%=52тАЛ to quickly compute (45тАЛ├Ч800)+(52тАЛ├Ч500).
Forgetting to divide the percentage value by 100 before multiplying by the base number.
Evaluate First Term
Convert 125% to a decimal or fraction and multiply by 800.
100125тАЛ├Ч800=1000
Evaluate Second Term
Convert 40% to a decimal or fraction and multiply by 500.
10040тАЛ├Ч500=200
Sum the Values
Add the results of both parts to find the final answer.
1000+200=1200
A is correct because the sum of 1000 and 200 is 1200.
Mastering quick percentage calculations is essential for solving Data Interpretation tables and graphs efficiently in competitive examinations.
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