Question

17. The population of a city decreased from 25,000 to 24,500. Find the per cent decrease.
18. A bag can hold 10 kg of rice. If its size is increased so that it may hold 11 kg. What is the
percentage increase in size?​

Answer 1

Answer:

8th

Maths

Comparing Quantities

Applications of Compound Interest

The population of a city de...

MATHS

The population of a city decreased from 25,000 to 24,500. Find the percentage decrease.

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ANSWER

The decreased population of a city from 25,000 to 24,500

Population decreased =25,000−24,500=500

Decreased Percentage =

Originalpopulation

Populationdecreased

×100

=

25000

500

×100=2%

Hence, the percentage decreased is 2%

Step-by-step explanation:

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Answer 2

Answer:

17) ɪɴɪᴛɪᴀʟ ᴠᴀʟᴜᴇ = 25,000

ᴅᴇᴄʀᴇᴀsᴇᴅ ᴠᴀʟᴜᴇ = 24,500

ᴅᴇᴄʀᴇsᴇᴅ ɪɴ ᴠᴀʟᴜᴇ = 25000 - 24500

= 500

ᴘᴇʀᴄᴇɴᴛᴀɢᴇ ᴅᴇᴄʀᴇᴀsᴇᴅ = 500× 100/25,000

= 2% (ᴀɴs )

18) ᴀ ʙᴀɢ ᴄᴀɴ ʜᴏʟᴅ 10ᴋɢ ᴏғ ʀɪᴄᴇ . ɪғ ɪᴛs sɪᴢᴇᴅ ɪs ɪɴᴄʀᴇᴀsᴇᴅ sᴏ ᴛʜᴀᴛ ɪᴛ ᴍᴀʏ ʜᴏʟᴅ 11ᴋɢ.

sᴏ , 1/10 × 100

= 10% ( ᴀɴs )