The ratio of two numbers is 5 : 4 and their HCF is 4. What is their LCM?

The sum of two numbers is 21, and their HCF and LCM are 7 and 14, respectively. The sum of the reciprocals of the two numbers is:

Two numbers are in the ratio 2 : 5 and their HCF is 18. Their LCM is:

If the sum of two numbers is 15 and their HCF and LCM are 3 and 18, respectively, then the sum of the reciprocals of the two numbers is:

Three number are in the ratio of 4 : 5 : 6, and their LCM is 180. Their HCF is:

The HCF of two numbers is 6 and their LCM is 253080. If one of the numbers is 4218, what is the second number ?

The product of 2 numbers is 1890 and the numbers differ by 3. Find the LCM of the numbers.

Let the HCF of m and n be ‘a’ and let n = ab, LCM of m and n is given by:

Two numbers are in the ratio of 2 : 3. Their HCF and LCM are 21 and 126, respectively. What is the difference of these two numbers?

Divide the LCM of the 35 and 42 by the HCF of 32 and 40.

If the LCM of two numbers a and b is 60 and their HCF is 15. Determine their mean proportion.

The HCF and the LCM of two numbers are 5 and 175, respectively. If the ratio of the two numbers is 5 : 7, the larger of the two numbers is _______.

The highest common factor and the least common multiple of 432, 648, and 576 are _______________ and ______________, respectively.

The ratio of two numbers is 4 : 5 and their HCF is 6. Their LCM is:

The sum of the two numbers is 18 and their HCF and LCM are 3 and 54 respectively. What will be the sum of their reciprocals?

The product of 2 numbers is 6750 and their LCM is 450. If the difference between the numbers is equal to their HCF, then find the smaller number.

Three numbers are in the ratio of 5 : 7 : 9 and their LCM is 34,650. Their HCF is:

Two numbers are in the ratio of 5 : 9, and their LCM is 405. Find the numbers.

The HCF and LCM of 2 numbers are 32 and 192. One of the numbers is 64. Find the absolute difference between the numbers.

The HCF of two numbers is one-twentieth of their LCM. If one of the numbers is 96 and the difference of the LCM and the HCF is 456, then what is the other number?

The product of the two numbers is 1500 and their HCF is 10. The number of such possible pairs is/are:

If the LCM and the HCF of two numbers are 12 and 2 respectively, then find the mean proportional of these numbers.

The LCM of two numbers is 660 and their HCF is 5. If one of the numbers is 55, find the other.

Two numbers are in the ratio 12 : 7. If their HCF is 25, find the numbers.

The product of two numbers is 726 and their HCF is 11, then their LCM is:

The HCF and LCM of two numbers are 126 and 9, respectively. If one of the numbers is 18, then what is the other number?

The LCM of two prime numbers x and y (x > y) is 533. The value of 4y - x is:

Find the product of the numbers whose HCF and LCM are 8 and 40 respectively.

The product of the two numbers is 4107. If the HCF of these numbers is 37, then find the L.C.M.

The LCM and HCF of the two numbers are 168 and 6 respectively. If one of the numbers is 24, find the other.

The LCM of two numbers is 840 and their HCF is 7. If one of the numbers is 56, find the other.

The LCM of the two numbers is 4104 and the HCF is 9. If one of the numbers is 171, find the other.

Two numbers are in the ratio of 4 : 3. The product of their HCF and LCM is 2700. The difference between the numbers is:

The HCF of two numbers is 24 and their LCM is 2400. If one of the numbers is 180, then the other number is:

The LCM of two numbers is 120 and the numbers are in the ratio 3 : 8. The sum of the numbers will be:

The HCF and LCM of two numbers are 9 and 126, respectively. Find the larger number, if the ratio between the numbers is 2 : 7.

The ratio of two numbers is 4 : 5, and their HCF is 3. What is their LCM?

The LCM of two numbers is 15 times their HCF. The sum of the LCM and the HCF is 112. If one of the numbers is 49, then the other number is:

Two numbers are in the ratio of 3 : 5. If their HCF is 8, then find the numbers.

The product of the two numbers is 1296. If the H.C.F. of the two numbers is 12, then what is the L.C.M. of the two numbers?

The H.C.F. of the two numbers is 37 and the other two divisors of their Least Common Multiple are 15 and 17. Find the largest number among them.

The HCF of two numbers is 12. Which one of the following can never be their LCM?

The LCM and HCF of two numbers are 1105 and 5. If the LCM is 17 times the first number, then find the two numbers.

The ratio of the two numbers is 5 : 7 and their HCF is 3. Their LCM is:

Two numbers are in the ratio 3 : 4. The product of their HCF and LCM is 2700. The sum of the numbers is:

The HCF and LCM of two natural numbers are 7 and 84, respectively. If one of the numbers is 7, then the difference between the two numbers is:

If the product of two numbers is 2400 and their LCM is 96 then their HCF is

The HCF and LCM of the two numbers are 6 and 3024, respectively. If one of the numbers is 54, then find the other number.

The H.C.F. of the two numbers is 31 and the other two divisors of their Least Common Multiple are 14 and 15. Find the larger number among them.