Question

Which of following 1322, 872, 722 and 2092 would end with digit 1?​

Answer 1

Answer:

1+3+2+2=6

8+7+2=17

7+2+2=11

2+0+9+2=13

722 ends with digit 1

Step-by-step explanation:

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Answer 2

Given :   132² , 87² , 72²   , 209²

To Find : which would end with digit 1

Solution:

132² , 87² , 72²   , 209²

132²   ends with digit 4

87²    ends with digit 9

72²      ends with digit 4

209²     ends with digit 1

Hence correct answer is 209²

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