NEET Test Series from KOTA - 10 Papers In MS WORD
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01. WHOLE NUMBERS
287570
Makthe correct alternative in the tollowing: x + 12 = 12 + 7, then by commutativity of addition x =
1 12
2 7
3 19
4 5
Explanation:
7 Solution: Here, x + 12 = 12 + 7. But, by commutative of addition, We have 7 + 12 = 12 + 7 So, comparing x + 12 = 12 + 7 and 7 + 12 = 12 + 7 We have x = 7 Hence, the correct option is (b).