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A + B = 2 × 15 = 30 yr B + C = 2 × 14 = 28 yr C + A = 2 × 16 = 32 yr On adding all three, 2 (A + B + C) = 30 + 28 + 32 = 90 ⇒ A + B + C = 45 ∴ A = (A + B + C) – (B + C) = 45 – 28 = 17 yr
What is the HCF of (x4 - x2 - 6) and (x4 - 4x2 + 3) ?
(a) x2 - 3 (b)...
What is the HCF of 36 and 198?
LCM of two numbers is 56 times their HCF, with the sum of their HCF and LCM being 1710. If one of the two numbers is 240, then what is the other number?
The greatest number of four digits which when divided by 5, 8, 11 leave remainders 2, 4, 6 respectively is:
Find the largest number of the five digit which is exactly divisible by 48, 72 and 108.
...LCM of two numbers is 18 times their HCF. The product of the numbers is 64800. What will be the maximum possible difference between the numbers?
Three boys runs around a circular track and takes 20 min, 25 min and 30 min respectively to complete the one round. When do they all come relatively to ...
The HCF and LCM of 2 numbers are 2 and 60 respectively. If one of the numbers is 14 more than the other, find the smaller number.
The HCF of two 3 digit numbers is 17, and their LCM is 1224. Calculate the difference between the two numbers.
