arpit paid ₹1200 as simple interest on a certain sum he borrowed for 1½ years at the rate of 10% per annum he lent it to his friend for the Same period And Same rate of interest but earned interest which is compounded half yearly . I find the sum borrowed ii find the compounded interest , he earned after 1½ years .
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A grouped frequency table with class intervals of equal sizes using 250 -270 (270 not included in this interval) as one of the class intervals is constructed for the following data: 268, 220,368, 258, 242,310, 272, 342, 310, 290, 300, 320, 319,304,402,318, 406, 292, 354, 278, 210, 240, 330, 316, 406, 215, 258, 236. The frequency of the class 370-390 is: 5
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ᴀ ɢʀᴏᴜᴘᴇᴅ ꜰʀᴇQᴜᴇɴᴄʏ ᴛᴀʙʟᴇ ᴡɪᴛʜ ᴄʟᴀꜱꜱ ɪɴᴛᴇʀᴠᴀʟꜱ ᴏꜰ ᴇQᴜᴀʟ ꜱɪᴢᴇꜱ ᴜꜱɪɴɢ 250 -270 (270 ɴᴏᴛ ɪɴᴄʟᴜᴅᴇᴅ ɪɴ ᴛʜɪꜱ ɪɴᴛᴇʀᴠᴀʟ) ᴀꜱ ᴏɴᴇ ᴏꜰ ᴛʜᴇ ᴄʟᴀꜱꜱ ɪɴᴛᴇʀᴠᴀʟꜱ ɪꜱ ᴄᴏɴꜱᴛʀᴜᴄᴛᴇᴅ ꜰᴏʀ ᴛʜᴇ ꜰᴏʟʟᴏᴡɪɴɢ ᴅᴀᴛᴀ: 268, 220,368, 258, 242,310, 272, 342, 310, 290, 300, 320, 319,304,402,318, 406, 292, 354, 278, 210, 240, 330, 316, 406, 215, 258, 236. ᴛʜᴇ ꜰʀᴇQᴜᴇɴᴄʏ ᴏꜰ ᴛʜᴇ ᴄʟᴀꜱꜱ 370-390 ɪꜱ: 5
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