1. What is (-3) x 5?
- A-15
- B15
- C-8
- D8
Show answer
Answer: A) -15
A negative times a positive is negative: 3 x 5 = 15, so (-3) x 5 = -15.
Class 7 Multiplication of Integers — practice questions with answers
Integers · 5 sample questions from the school syllabus. Try each one, then open the answer and the worked solution.
2. What is 12 x (-5)?
- A-54
- B-120
- C-60
- D-66
Show answer
Answer: C) -60
Positive times negative is negative: 12 x 5 = 60, so 12 x (-5) = -60.
3. What is (-20) x (-3)?
- A54
- B66
- C60
- D120
Show answer
Answer: C) 60
Negative times negative is positive: 20 x 3 = 60, so (-20) x (-3) = 60.
4. In a game, Ravi loses 7 points for every wrong move.
He also wins a bonus of +10 points once.
If he makes 4 wrong moves and gets the bonus, what is his net score?
He also wins a bonus of +10 points once.
If he makes 4 wrong moves and gets the bonus, what is his net score?
- A-36
- B-17
- C-19
- D-18
Show answer
Answer: D) -18
Wrong moves: 4 x (-7) = -28. Adding bonus: -28 + 10 = -18 points.
5. A shopkeeper records the day's change in cash for his stall in Lucknow.
He pays out ₹15 to each of 7 suppliers (each shown as -15) and receives ₹40 from each of 3 customers (each shown as +40).
What is the net change in his cash for the day?
He pays out ₹15 to each of 7 suppliers (each shown as -15) and receives ₹40 from each of 3 customers (each shown as +40).
What is the net change in his cash for the day?
- A16
- B14
- C15
- D30
Show answer
Answer: C) 15
Payments: 7 x (-15) = -105. Receipts: 3 x (+40) = 120. Net change = -105 + 120 = +15 rupees.
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