Percentage
- A number increased by 1371/2 % and the increment is 33. The number is
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Let the number be N,
Then, 137.5% of N = 33Correct Option: C
Let the number be N,
Then, 137.5% of N = 33
∴ N = (33 x 100)/137.5 = 24
- A person's salary has increased from₹ 7200 to ₹ 8100. What is the percentage increased in his salary?.
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Percentage increased in salary = [(8100 - 7200)/7200] x 100
Correct Option: D
Percentage increased in salary = [(8100 - 7200)/7200] x 100
= [900/7200] x 100
= 12.5%
= 121/2%
- If A's income is 5/6th of B's income, then B's income is more than A's income by
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Given, A = 5B/6
Let Income of B = N
∴ A = 5N/6
Required percentage = [(N - 5N/6) / (5N/6)] x 100Correct Option: C
Given, A = 5B/6
Let Income of B = N
∴ A = 5N/6
Required percentage = [(N - 5N/6) / (5N/6)] x 100
= [(6N - 5N)/5N] x 100
= (1/5) x 100 = 20%
- 25% of what amount of money is equal to 121/2 of ₹ 180 ?
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Let the required amount of money be N.
Then, N x 25% = 180 x 121/2%Correct Option: D
Let the required amount of money be N.
Then, N x 25% = 180 x 121/2%
∴ N = (180 x 12.5)/25
= ₹ 90
- 30% of a 3 digit number is 190.8. What will be 125% of that number?
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Let N be the number
Then, 30% of N = 190.8
⇒ N = (190.8 x 100)/30 = 636Correct Option: C
Let N be the number
Then, 30% of N = 190.8
⇒ N = (190.8 x 100)/30 = 636
∴ 125% of 636 = (125 / 100) x 636 = 795
