Advertisements
Advertisements
प्रश्न
Height of a place A is 1800 m above sea level. Another place B is 700 m below sea level. What is the difference between the levels of these two places?
Advertisements
उत्तर
As per the given information, we can draw the diagram,
Let O be the point of level of sea.
Difference between these two points, A and B
= Height between sea level and point A + Height between point B and sea level
= AO + OB
= 1800 + 700
= 2500 m
APPEARS IN
संबंधित प्रश्न
Indicate the following using '+' or '−' sign: 7°C below the freezing point
Find an integer a such that: a + 6 = 0
The sum of two integers is −13. If one of the numbers is 170, find the other.
Multiply: 29 by −11
Divide: −72 by 18
Fill in the blanks:
(......) ÷ 165 = −1
The sum of two integers is 20. If one of them is −5 then the other is
Write four integers greater than −6.
Zero is neither positive nor negative.
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?
