Discussion :: Odd Man Out and Series - Missing No. (Q.No.3)
Insert the missing number.
| 3. | 1, 4, 9, 16, 25, 36, 49, (....) |
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Answer: Option C Explanation: Numbers are 12, 22, 32, 42, 52, 62, 72. So, the next number is 82 = 64. |
| Vicky said: (Jul 23, 2011) | |
| 1+0=1 1+3=4 4+5=9 9+7=16 16+9=25 25+11=36 36+13=49 49+15=64 |
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| Adil Maqbool said: (Aug 23, 2013) | |
| To each number successively add odd numbers from 3 onwards & we get 64 as answer. | |
| Sudheer said: (Nov 14, 2014) | |
| I didn't understand, how it came 64? | |
| Swathi said: (Nov 15, 2014) | |
| 4-1=3 9-4=5 16-9=7 25-16=9 36-25=11 49-36=13 64-49=15 The difference of two preceding number is odd from 3 onwards. Answer is 64 |
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