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प्रश्न
Following number line shows the temperature in degree celsius (°C) at different places on a particular day.
What is the temperature difference between Lahulspiti and Srinagar?
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उत्तर
Temperature at Lahulspiti = −8°C
Temperature at Srinagar = −2°C
Temperature difference = −2°C − (−8°C)
= 6°C
Therefore, the temperature difference between Lahulspiti and Srinagar is 6ºC
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 |
Use the sign of >, < or = in the box to make the statements true.
39 + (– 24) – (15) 
36 + (– 52) – (– 36)
Indicate the following using '+' or '−' sign: 3 km below sea level
For the following statement write (T) for true and (F) for false:
The sum of three different integers can never be zero.
Subtract: −2768 from −287
Use convenient groupings and find the value of: 18 × (−27) × 30
Divide: −72 by 18
Which of the following is a true statement?
−4 > −3
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 |
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 is the charge on an atom?
- What will be the charge on an atom if it loses an electron?
- What will be the charge on an atom if it gains an electron?
