Q3. A total of Rs 5000 is to be distributed among 30 students for a competition regarding debate on 'SAVE NATURAL RESOURCES'. A prize is of either Rs 500 or Rs 100. Find the total number of prizes.
1 point
5
25
30
15
Answers
Answered by
37
Answer:
ʟᴇᴛ ᴛʜᴇ , ɴᴜᴍʙᴇʀ ᴏꜰ ₹ 500 ᴘʀɪᴢᴇꜱ ʙᴇ 'x ' .
∴ ɴᴜᴍʙᴇʀ ᴏꜰ ₹100 ᴘʀɪᴢᴇꜱ = 30 - x
ɴᴏᴡ , ᴀᴄᴄᴏʀᴅɪɴɢ ᴛᴏ ᴛʜᴇ Qᴜᴇꜱᴛɪᴏɴ
500x + 100 (30 - x ) = 5000
⇒500x + 3000 - 100x = 5000
⇒ 400x = 5000 - 3000
⇒ 400x = 2000
⇒ x = 2000/400
⇒ x = 5
∴ ɴᴜᴍʙᴇʀ ᴏꜰ ₹ 500 ᴘʀɪᴢᴇꜱ = 5
ɴᴜᴍʙᴇʀ ᴏꜰ ₹ 100 ᴘʀɪᴢᴇꜱ = 30 - 5 = 25
ʜᴏᴘᴇꜱ ɪᴛ ʜᴇʟᴘꜱ ❤️
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