If there number are 2a, 5a, and 7a, what will be their LCM?

More Questions from Problems on H.C.F and L.C.M

• What will be the HCF of ( 2 x 3 x 7 x 9 ), ( 2 x 3 x 9 x 11 ) and ( 2 x 3 x 4 x 5 )?
• Find the LCM of 1/3, 2/9, 5/6 and 4/27.
• Find the LCM of 2/3, 3/5, 4/7 and 9/13.
• The product of HCF and LCM of 18 and 15 is
• The HCF of two numbers is 15 and their LCM is 225. If one of the numbers is 75, then find the another number.
• The HCF of three numbers is 23. If they are in the ratio of 1 : 2 : 3, then find the numbers?
• The HCF and LCM of two numbers m and n are respectively 6 and 210. If m + n = 72, then 1/m + 1/n is equal to
• The ratio of two numbers is 5 : 6 and their LCM is 480, then their HCF is
• If a number is exactly divisible by 11 and 13, which of the following types the number must be?
• The LCM of two numbers is 48. The numbers are in the ratio of 2 : 3. Find the sum of the numbers.

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