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Consider the following in respect of natural numbers a, b and c: 1. LCM(ab, ac) = a × LCM(b, c) 2. HCF(ab, ac) = a × HCF(b, c) 3. HCF (a, b) < LCM(a, b) 4. HCF(a, b) divides LCM(a, b) Where, a ≠ b ≠ c  Which of the above are correct?
Out of three numbers A, B, and C, A is the largest number, and the ratio of B to C is 4 : 5. If HCF of A and B is 16, LCM of B and C is 240, and LCM of A and B is 192, then what is the LCM of A, B, and C?
LCM of two numbers which are multiple of three is 6. The LCM of all the numbers taken together is equal to the third number. If the sum of numbers is 21, find the numbers.
State whether the given statement is True or False. LCM (a, b, c, d) = LCM(a,(LCM(b,(LCM(c, d)))).
LCM of two numbers is 84 and their HCF is 14 if the sum of both the numbers is completely divisible by 10, then what is the LCM of both the numbers when 7 is subtracted from both the numbers?
There are two numbers A and B and the sum of the square of both the numbers is 2197 and the multiplication of LCM and HCF of both the numbers is 1014, then LCM of A and B is how much times of their HCF?
There are 4 consecutive odd numbers, x1 , x2 , x3 and x4 and three consecutive even numbers y1 , y2 and y3 . The average of the odd numbers is 6 less than the average of the even numbers. If the sum of the three even numbers is 16 less than the sum of the four odd numbers, what is the average of x1 , x2, x3 and x4?
There are 4 consecutive odd numbers (x1, x2, x3 and x4) and three consecutive even numbers (y1, y2 and y3). The average of the odd numbers is 6 less than the average of the even numbers. If the sum of the three even numbers is 16 less than the sum of the four odd numbers, what is the average of x1, x2, x3 and x4?
The LCM of two numbers is 28 times their HCF and the sum of their LCM and HCF is 493. The difference of the two numbers is 51. If s is the sum of the two numbers, then what is the sum of digits of s?
The product of LCM and HCF of two numbers is 216. Those numbers are in a ratio of 2 : 3. What is the sum of LCM and HCF of two numbers?