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Question : 53 of 200
Marks:
+1,
-0
Solution:
(1) The pattern is :
9 × 1 + 12 = 9 + 1 = 10
10 × 3 + 32 = 30 + 9 = 39
39 × 5 + 52 = 195 + 25 = 220
220 × 7 +72 = 1540 + 49= 1589
1589 × 9 + 92 = 14301 + 81= 14382
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