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प्रश्न
On subtracting 8 from −4, we get
विकल्प
4
12
-12
none of these
उत्तर
-12
–4 – 8
= –12
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संबंधित प्रश्न
Indicate the following using '+' or '−' sign: A deposit of Rs 200
Indicate the following using '+' or '−' sign: 3 km below sea level
The sum of two integers is −13. If one of the numbers is 170, find the other.
Simplify: 30 × (–22) + 30 × (14)
Write (T) for true and (F) for false for the following statement:
(−18) ÷ 9 = −2
2 less than −7 is
On subtracting −9 from −6, we get
The sum of any two negative integers is always smaller than both the integers.
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 | – |
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 |
