Question

PLEASE ANSWER MY QUESTION. IT IS IN THE PHOTO ATTACHED WITH THIS QUESTION.​

Answer 1

★︎︎︎Gɪᴠᴇɴ :-

Rᴀᴅʜɪᴋᴀ ᴀɴsᴡᴇʀᴇᴅ 10 ᴄᴏʀʀᴇᴄᴛ ᴀɴsᴡᴇʀs

• sʜᴇ sᴄᴏʀᴇᴅ 30 ᴍᴀʀᴋs....

★︎︎︎Tᴏ ғɪɴᴅ :-

Wʜʏ sʜᴇ ɢᴏᴛ 30 ᴍᴀʀᴋs sɪɴᴄᴇ 10 ǫᴜᴇsᴛɪᴏɴs ᴡᴇʀᴇ ᴀɴsᴡᴇʀᴇᴅ ᴄᴏʀʀᴇᴄᴛ....

★︎︎︎Sᴏʟᴜᴛɪᴏɴ :-

10 ᴄᴏʀʀᴇᴄᴛ ᴀɴsᴡᴇʀs ..

Mᴀʀᴋs ᴏʙᴛᴀɪɴᴇᴅ = 10×5 = 50 ᴍᴀʀᴋs..

Lᴇᴛ ᴜs ᴄᴏɴsɪᴅᴇʀ....

ɴᴏ. ᴏғ ᴡʀᴏɴɢ ᴀɴsᴡᴇʀs ʙᴇ 'x'

ᴍᴀʀᴋs ᴅᴇᴅᴜᴄᴛᴇᴅ = -2x

Sᴏ,

➪50 - 2x = 30

➪-2x = -20

➪x = 10

Sᴏ, sʜᴇ ᴀɴsᴡᴇʀᴇᴅ 10 ǫᴜᴇsᴛɪᴏɴs ᴡʀᴏɴɢ...

Aɴᴅ ᴀs ᴀ ʀᴇsᴜʟᴛ sʜᴇ ɢᴏᴛ 30 ᴍᴀʀᴋᴀ...

ᵐᵃʳᵏ ᵃˢ ᵇʳᵃⁱⁿˡⁱᵉˢᵗ....