Others Maths Puzzle

What is the highest power of 2 which divides [10²ºººº/(10¹ºº + 2)] completely where [x] is greatest integer less than or equal to x?

A. 99
B. 100
C. 199
D. 200

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Others Other Question

Nimai wrote all natural numbers, none of whose digits is a prime number, in order. First ten numbers which Nimai wrote are as follows: 1, 4, 6, 8, 9, 10, 11, 14, 16, 18. What is the 123rd number, Nimai might be writing?

A. 646
B. 666
C. 816
D. 840 Number of factors of 12100 which are less than 110 but not factors of 110 is

A. 6
B. 7
C. 8
D. 9