6. (2/3) x (6/8) x (2/3) x (3/4) = ?

1. 1. 0.25

   
   
   

   2. 0.5

   
   
   

   3. 1.45

   
   
   

   4. 11.8

   
   
   

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1. View Hint View Answer Discuss in Forum

   (2/3) x (6/8) x (2/3) x (3/4) = 1/4

   Correct Option: A

   (2/3) x (6/8) x (2/3) x (3/4) = 1/4 = 0.25

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7. 15⁷/₈ x 23¹/₅ + 3⁴/₅ x 5¹/₈ = ?

1. 1. 360

   
   
   

   2. 350

   
   
   

   3. 370

   
   
   

   4. 385

   
   
   

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1. View Hint View Answer Discuss in Forum

   ? = 127/8 x 116/5 + 19/5 x 41/8
   = 14732/40 + 779/40 = 15511/40

   Correct Option: D

   ? = 127/8 x 116/5 + 19/5 x 41/8
   = 14732/40 + 779/40 = 15511/40 = 387.7 ≈ 385

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8. 2³/₅ x 15/26 x 283.75 = ?

1. 1. 440

   
   
   

   2. 435

   
   
   

   3. 410

   
   
   

   4. 425

   
   
   

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1. View Hint View Answer Discuss in Forum

   ? = 2³/₅ x 15/26 x 283.75
   ≈ 13/5 x 15/16 x 284

   Correct Option: D

   ? = 2³/₅ x 15/26 x 283.75
   ≈ 13/5 x 15/16 x 284 = 426 ≈ 425

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9. 36.98276421 x 21.00002 = ?

1. 1. 775

   
   
   

   2. 785

   
   
   

   3. 800

   
   
   

   4. 805

   
   
   

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1. View Hint View Answer Discuss in Forum

   36.98276421 x 21.00002
   Using nearest value in whole number for 36.9827421 is 37 and 21.0002 is 21
   ≈ 37 x 21

   Correct Option: A

   36.98276421 x 21.00002
   Using nearest value in whole number for 36.9827421 is 37 and 21.0002 is 21
   ≈ 37 x 21 = 777 ≈ 775

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10. 14.995 x 8.001 x 20.991 = ?

1. 1. 1950

   
   
   

   2. 2520

   
   
   

   3. 2200

   
   
   

   4. 1520

   
   
   

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1. View Hint View Answer Discuss in Forum

   ? = 14.995 x 8.001 x 20.991
   ≈ 15 x 8 x 21

   Correct Option: B

   ? = 14.995 x 8.001 x 20.991
   ≈ 15 x 8 x 21 = 2520

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