If 18:X = X:8, Then X=?
Answer: (D) 12
Solution:-
18: X = X: 8
Then, 18/X = X/8
By cross multiplication,
18 x 8 = X x X
X^2 = 144
Square root on both site,
X = 12
Then, the value of X is 12.
Hence, the correct answer is option (D) 12.
Answer: (D) 12
Solution:-
18: X = X: 8
Then, 18/X = X/8
By cross multiplication,
18 x 8 = X x X
X^2 = 144
Square root on both site,
X = 12
Then, the value of X is 12.
Hence, the correct answer is option (D) 12.