Question
In the following question, four number pairs are given.
In each pair the number on left side of (-) is related to the number of the right side of (-) with some Logic/Rule/Relation. Three pairs are similar on basis of same Logic/Rule/Relation. Select the odd one out from the given alternatives. (NOTE: Operations should be performed on the whole numbers, without breaking down the numbers into its constituent digits. E.g., 13 - Operations on 13 such as adding/ subtracting/ multiplying etc. to 13 can be performed. Breaking down 13 into 1 and 3 and then performing mathematical operations on 1 and 3 is not allowed)Solution
The first number is divided by '2' to get the second number. 36 ÷ 2 = 18 50 ÷ 2 = 25 64 ÷ 2 = 32 81 ÷ 2 = 40.5 ≠ 42
- The sum of the HCF and LCM of two numbers is 340, and the LCM is 16 times the HCF. If one of the numbers is 40, find the other number.
- The product of two numbers is 198 and their HCF is 11. What is the LCM of these two numbers?
Find the HCF of 245, 350 and 385.
The LCM of two numbers is 720. The HCF of these numbers is 12. If one of the numbers is 48, find the other number.
- Three numbers are in the ratio 3:5:7 respectively. If the HCF of the numbers is 4, then find the LCM of the numbers.
The HCF and LCM of two natural numbers are 8 and 48, respectively. What is the difference between the two numbers, if one of the numbers is 16?
Find the least number of four digits which is exactly divisible by 6, 8 and 16?
The HCF of 5453 and 6409 is 221, their LCM is:
Find the least common multiple of (28/42), (35/49), and (14/21).
How many factors does the number 675 have in total?