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| 1. |
30,40 ___,60 are in proportion |
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Answer»
30,40 ___,60 are in PROPORTION ʟᴇᴛ ᴛʜᴇ ʀᴇǫᴜɪʀᴇᴅ ɴᴜᴍʙᴇʀ ʙᴇ ʏ. ᴡᴇ ᴋɴᴏᴡ ᴛʜᴀᴛ, ᴘʀᴏᴅᴜᴄᴛ ᴏғ ᴇxᴛʀᴇᴍᴇ = ᴘʀᴏᴅᴜᴄᴛ ᴏғ ᴍᴇᴀɴ ⟹ 30×60 = 40 × ʏ ⟹ 1800 = 40 × ʏ ⟹ 1800/40 = ʏ ⟹ 45 = ʏ ⟹ ʏ = 45 sᴏ, ᴛʜᴇ ʀᴇǫᴜɪʀᴇᴅ ɴᴜᴍʙᴇʀ ɪs 45
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