1. Which of the following numbers are coprime numbers? a) 77 and 110 b) 197 and 199c) 5 and 9 d) Both B and C 2. 68715 is not divisible by 3. True / False. a) True b) False 3. Which number is divisible by both 5 and 10? a) 456789 b) 55785c) 87564320 d) None of these 4. Which … Read more
1. LCM ÷ HCF = Product of the numbers. Mark True or False a) True b) False 2. The HCF of two numbers is 16 and their LCM is 3040128. If one numbers is 6032, then what is the other number? a) 8604 b) 8046c) 8064 d) None of these 3. Find the smallest number which when divided … Read more
1. Find the HCF of 32 and 64? a) 32 b) 70c) 64 d) 5 2. 8 4 5 __ 6 ÷ 6 Fill in the blanks to make the number exactly divisible by 4. a) 1 b) 2c) 3 d) None of these 3. Find the LCM of 40, 80 and 240. a) 40 b) 80c) 120 d) 240 4. LCM … Read more
1. Which one of the following are prime numbers? a) 1, 2, and 3 b) 3, 5, and 7c) 7, 11, and 13 d) Both B and C 2. Which number is exactly divisible by 6? a) 3478 b) 4562c) 5430 d) None of these 3. What least number should be subtracted from 785672 so that the number becomes … Read more
1. What is the HCF of 128, 256 and 512? a) 64 b) 128c) 256 d) 512 2. What are the prime factors of 82430? a) 2 X 2 X 2 X 2 X 2 X 2 X 2 X 2 x 7 x 23b) 2 X 2 X 2 X 2 X 2 X 2 X … Read more