Q 1: Find the missing number: 13  ? = 5 Answer:

Q 2: Find the missing number: 18  ? = 3 Answer:

Q 3: Find the missing number: 16  ? = 15 Answer:

Q 4: Find the missing number: 9  ? = 4 Answer:

Q 5: Find the missing number: 13  ? = 11 Answer:

Question 6: This question is available to subscribers only!

Question 7: This question is available to subscribers only!

Question 8: This question is available to subscribers only!

Question 9: This question is available to subscribers only!

Question 10: This question is available to subscribers only!

