276. .

1. 1. 27

   
   
   

   2. 64

   
   
   

   3. 125

   
   
   

   4. 144

   
   
   

   5. 256

   
   
   

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1. View Hint View Answer Discuss in Forum

   144 is the square of 12 whereas the rest are cube of certain numbers.

   Correct Option: D

   144 is the square of 12 whereas the rest are cube of certain numbers.

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277. .

1. 1. 1593

   
   
   

   2. 3781

   
   
   

   3. 7359

   
   
   

   4. 9175

   
   
   

   5. 9317

   
   
   

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1. View Hint View Answer Discuss in Forum

   3781 is the odd one out as other numbers contain only odd digits.

   Correct Option: B

   3781 is the odd one out as other numbers contain only odd digits.

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278. .

1. 1. 120

   
   
   

   2. 168

   
   
   

   3. 290

   
   
   

   4. 380

   
   
   

   5. 728

   
   
   

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1. View Hint View Answer Discuss in Forum

   Each number except 380 is either one more or one less than the square of a certain number.

   Correct Option: D

   Each number except 380 is either one more or one less than the square of a certain number.

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279. .

1. 1. 64

   
   
   

   2. 169

   
   
   

   3. 484

   
   
   

   4. 315

   
   
   

   5. 1225

   
   
   

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1. View Hint View Answer Discuss in Forum

   315 is the odd one out as the rest all are squares of different numbers.

   Correct Option: D

   315 is the odd one out as the rest all are squares of different numbers.

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280. .

1. 1. 37

   
   
   

   2. 45

   
   
   

   3. 49

   
   
   

   4. 65

   
   
   

   5. 79

   
   
   

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1. View Hint View Answer Discuss in Forum

   49 is the only perfect square; rest are just random numbers.

   Correct Option: C

   49 is the only perfect square; rest are just random numbers.

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