What achievement was highlighted in the World Malaria

A six-digit number 23p7q6 is divisible by 24. Then the greatest possible value for (p + q) is:

Find the greatest value of (a + b) such that an 8-digit number 4523a60b is divisible by 15.

If ‘48b297a54’ is a nine digit number which is divisible by ‘11’, then find the smallest value of (a + b).

A number gives a remainder of 27 when divided by 36. What will be the remainder when the same number is divided by 12?

If a nine-digit number 785x3678y is divisible by 72, then the value of (x − y) is:

A five-digit number 2A78B, is divisible by 55. What is the difference between the maximum and minimum possible value of (A-B)?

What is the value of (2² + 3²) × (4³ + 5³) ÷ (6⁴)?

If 45780x52 is divisible by 72, then find the sum of all possible values of 'x'.

How many numbers between 100 and 500 are divisible by both 4 and 6?

What is the largest common divisor of the numbers 1026, 2268 and 2430?