Question : The greatest four-digit number that is exactly divisible by each of the numbers 12, 18, 21 and 28 is:

Option 1: 9828

Option 2: 9288

Option 3: 9882

Option 4: 9928

Question : The number between 4000 and 5000 that is divisible by each of 12, 18, 21 and 32 is:

Option 1: 4023

Option 2: 4032

Option 3: 4302

Option 4: 4203

Question : What is the largest five-digit number, exactly divisible by 88?

Option 1: 99992

Option 2: 99986

Option 3: 99984

Option 4: 99968

Question : What is the least value of x + y, if the 10-digit number 780x533y24 is divisible by 88?

Option 1: 4

Option 2: 3

Option 3: 1

Option 4: 2

Question : XY7B is a 4-digit number divisible by 4. What is the largest value of B?

Option 1: 6

Option 2: 2

Option 3: 0

Option 4: 8