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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
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 |
Write the number in the following example using the proper signs.
The height of Mt Everest, the highest peak in the Himalayas, is 8848 metres.
Add: 8 + 6
Simplify:
1056 + (−798) + (−38) + 44 + (−1)
Subtract: 6240 from −271
Multiply: 15 by 9
Use convenient groupings and find the value of: 18 × (−27) × 30
Write 'T' for true and 'F' for false for the following:
0 is neither positive nor negative.
The sum of two negative integers is a positive integer.
The sum of three different integers can never be zero.
