Multiple Choice Questions

The H C F and L C M of two numbers are 84 and 21 respectively If the ratio of the two numb...........

Quantitative Aptitude(IBPS RRB CL) LCM, HCF

The H.C.F and L.C.M of two numbers are 84 and 21 respectively. If the ratio of the two numbers is 1 : 4 , then the larger of the two numbers is

108

Let the numbers be x and 4x.

Then, x × 4x = 84 × 21

x²= 84 x 21/4 = 21

Larger Number = 4x = 84

Hence, option 3 is the correct answer.

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