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प्रश्न
In a quiz, positive marks are given for correct answers and negative marks are given for incorrect answers. If jack’s scores in five successive rounds were 25, − 5, − 10, 15 and 10, what was his total at the end?
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उत्तर
Jack’s scores in five successive rounds are 25, −5, −10, 15, and 10. Total score of Jack at the end will be the sum of these scores.
Therefore, Jack’s total score at the end = 25 − 5 − 10 + 15 + 10 = 35
संबंधित प्रश्न
Fill in the blanks:
(−7) + (−8) = .......
Find the additive inverse of: 0
Is the following statement true or false?
(−7) − 3 = (−3) − (−7)
On a day in Srinagar, the temperature at 6 p.m. was 1°C but at midnight that day, it dropped to −4°C. By how many degrees Celsius did the temperature fall?
Simplify: (–27) × (–16) + (–27) × (–14)
Which of the following is a true statement?
−4 > −3
−12 − (−5) = ?
Evaluate: (–40) ÷ (–10)
An atom consists of charged particles called electrons and protons. Each proton has a charge of +1 and each electron has a charge of –1. Remember number of electrons is equal to number of protons, while answering these questions:
- What is the charge on an atom?
- What will be the charge on an atom if it loses an electron?
- What will be the charge on an atom if it gains an electron?
From given integers in Column I match an integer of Column II so that their product lies between –19 and –6:
| Column I | Column II |
| –5 | 1 |
| 6 | –1 |
| –7 | 3 |
| 8 | –2 |
