CHAPTER-9 RATIONAL NUMBERS (SET-3)

Questions in this test

1. If the LCM of three numbers is 9570, then their HCF is.
2. The HCF of 1.08, 0.36 and 0.9 is
3. The least perfect square, which is divisible by each of 21, 36 and 66 is
4. The LCM of three different numbers is 150. Which of the following cannot be their HCF?
5. If HCF of m and n is 1, then what are the HCF of m + n, m and HCF of m – n, n respectively? $(m>n)$
6. If HCF of p and q is x and q = xy, then the LCM of p and q is
7. The LCM and HCF of two given numbers are 960 and 8 respectively. If one of them is 64, then the other number is.
8. What is the least no. which divided by 7, 9 and 12 leaves the same remainder 1 in each case?
9. Find the HCF and LCM of 3.6, 0.24 & 1.2
10. What is the largest no which when divides 1475, 3155 and 5255 leaves the same remainder in each case?