1.

What is the number x ? The LCM of x and 18 is 36 , and HCF of x and 18 is 2

Answer» LCM*HCF=product of two numbers 36*2=18*x36*2/18=x72/18=x4=xDone
HCF * LCM = x * 182 * 36 = 18x36 = 18x ÷2 36 = 9x36÷9 = x4 = x
4
4
\\text {product of the two numbers }=L C M \\times H C FTherefore, the we can substitute the known values in the formula to get the values of "x"{tex}\\begin{array}{l}{x \\times 18=36 \\times 2} \\\\\\\\ {x=\\frac{72}{18}} \\\\\\\\ {x=4}\\end{array}{/tex}Hence the value of unknown number "x" is 4\xa0
X = 4
x= 4


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