24/ (12 -x ) has to be an integer.
Hence 12 - x ) has to be a factor of 24.
How many factors does 24 have ?
24 = 2^3 *3 = 4 * 2 = 8 ..The factors are => 2^0 , 2^1 , 2^2 , 2^3 , 3 , 2.3 , 2^2*3 and 2^3*3.
12- x has to equal to each one of them till it becomes zero. The denominator can never be zero.
12-x = 2^0
12-x = 1
x = 11
Same way , 12-x = 2
x=10
x= 9 , 8 , 6 and 4
Adding them = 48
C is the answer
Hence 12 - x ) has to be a factor of 24.
How many factors does 24 have ?
24 = 2^3 *3 = 4 * 2 = 8 ..The factors are => 2^0 , 2^1 , 2^2 , 2^3 , 3 , 2.3 , 2^2*3 and 2^3*3.
12- x has to equal to each one of them till it becomes zero. The denominator can never be zero.
12-x = 2^0
12-x = 1
x = 11
Same way , 12-x = 2
x=10
x= 9 , 8 , 6 and 4
Adding them = 48
C is the answer
Statistics : Posted by sayan640 • on 30 Mar 2023, 09:45 • Replies 2 • Views 742
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