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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
Mohan deposits Rs 2,000 in his bank account and withdraws Rs 1,642 from it, the next day. If withdrawal of amount from the account is represented by a negative integer, then how will you represent the amount deposited? Find the balance in Mohan’s account after the withdrawal.
In a magic square each row, column and diagonal have the same sum. Check which of the following is a magic square.
1)
| 5 | -1 | -4 |
| -5 | -2 | 7 |
| 0 | 3 | -3 |
2)
| 1 | -10 | 0 |
| -4 | -3 | -2 |
| -6 | 4 | -7 |
Subtract the numbers in the top row from the numbers in the first column and write the proper number in each empty box.
| – | 6 | 9 | –4 | –5 | 0 | +7 | –8 | –3 |
| 3 | 3 – 6 = –3 | |||||||
| 8 | 8 − (−5) = 13 | |||||||
| –3 | ||||||||
| –2 |
Find an integer a such that: a + (−4) = 0
Simplify: (–15) × (–14) + (–15) × (–6)
(−42) + (−35) = ?
On subtracting −9 from −6, we get
Since 5 > 3, therefore –5 > –3
If we denote the height of a place above sea level by a positive integer and depth below the sea level by a negative integer, write the following using integers with the appropriate signs:
10 m above sea level
Choose the correct order from smallest to greatest:
