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प्रश्न
49 + (−27) = ?
पर्याय
-73
73
22
none of these
MCQ
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उत्तर
22
49 + (−27)
= 49 − 27
= 22
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संबंधित प्रश्न
Add: 5 + (–6)
Indicate the following using '+' or '−' sign: A deposit of Rs 200
Simplify: (−7) + (−9) + 12 + (−16)
Multiply: 15 by 9
Divide: 85 by −17
(−6) + 4 − (−3) = ?
The integer which is 5 more that (−7) is
An atom changes to a charged particle called ion if it loses or gains electrons. The charge on an ion is the charge on electrons plus charge on protons. Now, write the missing information in the table given below:
| Name of Ion | Proton Charge | Electron Charge | Ion Charge |
| Hydroxide ion | +9 | – | –1 |
| Sodium ion | +11 | – | +1 |
| Aluminium ion | +13 | –10 | – |
| Oxide ion | +8 | –10 | – |
Write two integers such that one is smaller than –11, and other is greater than –11 but their difference is –11.
Which of the following is NOT an integer?
