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Summary of the Content:

1. Q36: Solve the equation $3 + \_ = 8$.
   Solution: $8 - 3 = 5$, so the missing number is 5.

2. Q37: Find the sum of 342 and 589.
   Solution:
   $342 + 589 = 931$

3. Q38: What is the next number in the sequence: $2, 5, 8, 11, 14, \dots$?
   Solution: The sequence increases by 3 each time, so the next number is:
   $14 + 3 = 17$

4. Q39: Multiply 25 by 16.
   Solution:
   $25 \times 16 = 400$

5. Q40: Solve $500 \div 25 = \_$.
   Solution:
   $500 \div 25 = 20$

Would you like further details or clarifications on any specific question?

5 Related Questions for Practice:

1. What is $150 + 742$?
2. What is the next number in the sequence $1, 4, 7, 10, \dots$?
3. Multiply $12 \times 18$.
4. What is $144 \div 12$?
5. Solve $15 + \_ = 25$.

Tip:

When working with sequences, identify the common difference (if any) between terms to predict the next number easily.