226. What percent is 3% of 5% ?

1. 1. 15%

   
   
   

   2. 1.5%

   
   
   

   3. 0.15%

   
   
   

   4. None of these

   
   
   

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1. View Hint View Answer Discuss in Forum

   Required percent = [(3/100) / (5/100)] x 100]%
   = [(3/100) x (100/5) x 100] %

   Correct Option: D

   Required percent = [(3/100) / (5/100)] x 100]%
   = [(3/100) x (100/5) x 100] %
   = 60%

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227. 75% of 480 = (?) x 15 ?

1. 1. 32

   
   
   

   2. 18

   
   
   

   3. 360

   
   
   

   4. None of these

   
   
   

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1. View Hint View Answer Discuss in Forum

   Let 75% of 480 = A x 15.
   ⇒ (75 x 480)/100 = 15A

   Correct Option: D

   Let 75% of 480 = A x 15.
   ⇒ (75 x 480)/100 = 15A
   ∴ A = (75 x 480)/ (100 x 15) = 24

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228. 30 quintals is what percent of 2 metric tonnes ?

1. 1. 15%

   
   
   

   2. 1.5%

   
   
   

   3. 150%

   
   
   

   4. 30%

   
   
   

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1. View Hint View Answer Discuss in Forum

   Required percent = {30/(2 x 10)} x 100 % = 150%

   Correct Option: C

   Required percent = {30/(2 x 10)} x 100 % = 150%

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229. A number exceeds 20% of itself by 40. The number is ?

1. 1. 50

   
   
   

   2. 60

   
   
   

   3. 80

   
   
   

   4. 320

   
   
   

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1. View Hint View Answer Discuss in Forum

   ∵ A - 20% of A = 40
   ⇒ A - A/5 = 40

   Correct Option: A

   ∵ A - 20% of A = 40
   ⇒ A - A/5 = 40
   ⇒ 4A/5 =40
   ∴ A = (5 x 40)/4 = 50.

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230. x% of y is y% of ?

1. 1. x

   
   
   

   2. 100x

   
   
   

   3. x/100

   
   
   

   4. y/100

   
   
   

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1. View Hint View Answer Discuss in Forum

   Let x% of y = y% of A, then
   ⇒ xy / 100 = yA/100

   Correct Option: A

   Let x% of y = y% of A, then
   ⇒ xy / 100 = yA/100
   ∴ A = (xy/100) x (100/y) = x

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