401. A man has given one-fourth part of his property to his daughter, half part to his sons and one-fifth part given as charity. How much part of his property he has given?

1. 1. 1/20

   
   
   

   2. 19/20

   
   
   

   3. 1/10

   
   
   

   4. 9/10

   
   
   

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1. View Hint View Answer Discuss in Forum

   Total share given by a person
   = (1/4) + (1/2) + (1/5)

   Correct Option: B

   Total share given by a person
   = (1/4) + (1/2) + (1/5)
   = (5 + 10 + 4)/20
   = 19/20

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402. A chocolate has 12 equal piece. Monju gave 1/4^th of it to Anju, 1/3^rd of it to Sujata and 1/6^th of it to Fiza. The number of piece of chocolate left with Manju is?

1. 1. 1

   
   
   

   2. 2

   
   
   

   3. 3

   
   
   

   4. 4

   
   
   

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1. View Hint View Answer Discuss in Forum

   The number of pieces of chocolate left with Manju
   = 1- [(1/4) + (1/3) + (1/6)

   Correct Option: C

   The number of pieces of chocolate left with Manju
   = 1- [(1/4) + (1/3) + (1/6)
   = 1 - (3 + 4 + 2)/12
   = 1 - 9/12 = (12 - 9) / 12
   = 3/12

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403. A students was asked to multiply a number by 3/2 but he divided that number by 3/2. His result was therefore 10 less than the correct answer. Find the number?

1. 1. 10

   
   
   

   2. 12

   
   
   

   3. 15

   
   
   

   4. 20

   
   
   

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1. View Hint View Answer Discuss in Forum

   Let the number be N.
   According to the question,
   (N x 3)/2 - N / (3/2) = 10

   Correct Option: B

   Let the number be N.
   According to the question,
   (N x 3)/2 - N / (3/2) = 10
   ⇒ 3N/2 - 2N/3 = 10
   ⇒ (9N - 4N) / 6 = 10
   ⇒ 5N / 6 = 10
   ∴ N = (10 x 6)/5 = 12

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404. √? /19 = 4 ?

1. 1. 76

   
   
   

   2. 5776

   
   
   

   3. 304

   
   
   

   4. 1296

   
   
   

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1. View Hint View Answer Discuss in Forum

   Let √N/19 = 4

   Correct Option: B

   Let √N/19 = 4
   Then √N = 19 x 4 = 76
   ∴ N = 76 x 76 = 5776.

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405. 4050/√? = 450 ?

1. 1. 49

   
   
   

   2. 100

   
   
   

   3. 81

   
   
   

   4. 9

   
   
   

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1. View Hint View Answer Discuss in Forum

   Let 4050/√N = 450

   Correct Option: C

   Let 4050/√N = 450
   Then √N = 4050/450 = 9
   ∴ N = (9 x 9) = 81.

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