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प्रश्न
On subtracting −5 from 10, we get
विकल्प
5
-15
15
none of these
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उत्तर
15
10 − (−5)
= 10 + 5
= 15
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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.
Rita goes 20 km towards east from a point A to the point B. From B, she moves 30 km towards west along the same road. If the distance towards east is represented by a positive integer then, how will you represent the distance travelled towards west? By which integer will you represent her final position from A?
Subtract: 6240 from −271
Simplify: 30 × (–22) + 30 × (14)
Fill in the blanks:
(......) ÷ (−5) = 25
On subtracting −8 from 0, we get
? + (−8) = 12
Match the items of Column I with that of Column II:
| Column I | Column II |
| (i) The additive inverse of +2 | (A) 0 |
| (ii) The greatest negative integer | (B) –2 |
| (iii) The greatest negative even integer | (C) 2 |
| (iv) The smallest integer greater than every negative integer | (D) 1 |
| (v) Sum of predecessor and successor of –1 | (E) –1 |
Write the integers between the given pairs (write them in increasing order)
0 and –7
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 will be the charge on an atom if it loses an electron?
