Question
What is the fourth proportional to 4, 5, 16?
More HCF and LCM Questions
- The square of sum of two numbers is 25,600 and the sum of squares of the same two numbers is 13,000. If their H.C.F. is 10, then find their L.C.M.
- If total number of factors of 1,260 is 'x', then find the value of (x - 4) (x + 6).
- Three numbers are in the ratio 5:3:2 respectively. If the HCF of the numbers is 4, then find the LCM of the numbers.
- What will be the greatest common divisor (GCD) of (x² - 12x + 35) and (x² - 9x + 14).
- Find the largest number of the five digit which is exactly divisible by 48, 72 and 108.
- Find the smallest number which when divided by 3, 4, 5 and 6 gives remainder ‘2’ in each case?
- The LCM of two numbers is 5400 while their HCF is 90. If one of the numbers is 900, then the other number is:
- If two numbers have a product of 350 and their HCF is 7, find the LCM of these numbers.
- Train X running at a speed of 32 km/hr crosses train Y in 20 seconds. Find the speed of train Y (in km/hr), if the sum of the length of train X and Y is 65...
- Sum of the two numbers is 81 and their HCF and LCM are 9 and 180, respectively. Find the sum of reciprocal of the given two numbers.
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