371. X’s income is 20% more than that of Y. What per cent is Y’s income less than X ?

1. 1. 83	1	%
      	3

   
   
   

   2. 16	2	%
      	3

   
   
   

   3. 83	2	%
      	3

   
   
   

   4. 16	1	%
      	3

   
   
   

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1. View Hint View Answer Discuss in Forum

   Here , A = 20%
   We can find the required answer with the help of given formula ,
   

   ∴ Required percentage =	A	× 100
   	100 + A

   
   

   Correct Option: B

   Here , A = 20%
   We can find the required answer with the help of given formula ,
   

   ∴ Required percentage =	A	× 100
   	100 + A

   
   

   Required percentage =	20	× 100
   	100 + 20

   
   

   =	50	= 16	2	%
   	3		3

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372. If A’s income is 50% less than that of B’s, then B’s income is what per cent more than that of A ?

1. 1. 125%

   
   
   

   2. 100%

   
   
   

   3. 75%

   
   
   

   4. 50%

   
   
   

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1. View Hint View Answer Discuss in Forum

   Here , A = 50%
   We can find the required percentage with the help of given formula ,
   

   Required percentage =	50	× 100 = 100%
   	100- 50

   
   Second method to solve this question ,
   ⇒ Let's B income = ₹ 100 ⇒ A income = ₹ 50.
   

   Correct Option: B

   Here , A = 50%
   We can find the required percentage with the help of given formula ,
   

   Required percentage =	50	× 100 = 100%
   	100- 50

   
   Second method to solve this question ,
   ⇒ Let's B income = ₹ 100 ⇒ A income = ₹ 50.
   

   Required % =	100 - 50	× 100 = 100%
   	50

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373. A’s salary is 40% of B’s salary and B’s salary is 25% of C’s salary. What percentage of C’s salary is A’s salary ?

1. 1. 5%

   
   
   

   2. 10%

   
   
   

   3. 15%

   
   
   

   4. 20%

   
   
   

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1. View Hint View Answer Discuss in Forum

   Let B’s salary = ₹ 100
   ∴ C’s salary = ₹ 400
   and A’s salary = ₹ 40
   

   ∴ Required percentage =	40	× 100
   	400

   Correct Option: B

   Let B’s salary = ₹ 100
   ∴ C’s salary = ₹ 400
   and A’s salary = ₹ 40
   

   ∴ Required percentage =	40	× 100 = 10%
   	400

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374. Tulsiram’s salary is 20% more than that of Kashyap. If Tulsiram saves ₹ 720 which is 4% of his salary, then Kashyap’s salary is

1. 1. ₹ 15,000

   
   
   

   2. ₹ 12,000

   
   
   

   3. ₹ 10,000

   
   
   

   4. ₹ 22,000

   
   
   

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1. View Hint View Answer Discuss in Forum

   Let Tulsiram’s salary be ₹ p.
   

   ∴	p × 4	= 720
   	100

   
   

   ⇒ p =	720 × 100	= ₹ 18000
   	4

   
   

   Correct Option: A

   Let Tulsiram’s salary be ₹ p.
   

   ∴	p × 4	= 720
   	100

   
   

   ⇒ p =	720 × 100	= ₹ 18000
   	4

   
   

   ∴ Kashyap’s salary = ₹			100	× 18000		= ₹ 15000
   			120

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375. A’s salary is 50% more than that of B. How much per cent is B’s salary less than that of A?

1. 1. 50%

   
   
   

   2. 33	1	%
      	3

   
   
   

   3. 45%

   
   
   

   4. 66	2	%
      	3

   
   
   

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1. View Hint View Answer Discuss in Forum

   Here , A = 50%
   We can find the required answer with the help of given formula ,
   

   Required percentage =			A	× 100		%
   			100 + A

   
   

   Correct Option: B

   Here , A = 50%
   We can find the required answer with the help of given formula ,
   

   Required percentage =			A	× 100		%
   			100 + A

   
   

   Required percentage =			50	× 100		%
   			100 + 50

   
   

   =	50	× 100
   	150

   
   

   Required answer =	100	= 33	1	%
   	3		3

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