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Question : 44 of 200
Marks:
+1,
-0
Solution:
(1) The pattern is :
402 – 1 × 2 = 402 – 2 = 400
400 – 3 × 4 = 400 – 12 = 388
388 – 5 × 6 = 388 – 30 = 358
358 – 7 × 8 = 358 – 56 = 302
302 – 9 × 10 = 302 – 90
= 212
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