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    				| 1. | (121)2 is a ……………… number. A) prime B) odd C) even D) none | 
| Answer» Correct option is B) odd Correct option is (B) odd Unit's digit of number 121 is 1. \(\therefore\) Unit's digit of number \((121)^2\) is 1 which is not divisible by 2. Thus, \((121)^2\) is an odd number. | |