Question : The HCF and LCM of the two numbers are 44 and 264 respectively. If the first number is divided by 2, the quotient is 44, then the other number is:

Option 1: 147

Option 2: 528

Option 3: 132

Option 4: 264

Question : The LCM of the two numbers is 2079, and their HCF is 27. If one of the numbers is 189, then the other number is:

Option 1: 297

Option 2: 584

Option 3: 189

Option 4: 216

Question : If $x : y$ is the ratio of two whole numbers and $z$ is their HCF, then the LCM of those two numbers is:

Option 1: $yz$

Option 2: $\frac{xz}{y}$

Option 3: $\frac{xy}{z}$

Option 4: $xyz$

Question : A number when divided by 78 gives the quotient 280 and the remainder 0. If the same number is divided by 65, what will be the value of the remainder?

Option 1: 1

Option 2: 3

Option 3: 0

Option 4: 2

Question : Three numbers are such that the average of the first two numbers is 2, the average of the last two numbers is 3 and the average of the first and last number is 4, then the average of the three numbers is equal to:

Option 1: 2

Option 2: 3.5

Option 3: 3

Option 4: 2.5

Question : Two numbers, when divided by a certain divisor, leave the remainder 57. When the sum of the two numbers is divided by the same divisor, the remainder is 49. The divisor is:

Option 1: 56

Option 2: 57

Option 3: 49

Option 4: 65