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  • the hcf and lcm of two numbers are 84 and 21 respectively...
Multiple choice

the hcf and lcm of two numbers are 84 and 21 respectively .if ratio of two numbers be 1:4 then the larger of two number is

  1. 21

  2. 48

  3. 84

  4. 64

  5. 25

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

let the number be x and 4x84*21=x*4x4(x^2)=1764x^2 =441x=214x=4*21=84

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