A third of Karim's marks in Mathematics exceeds a half of his marks in Social Studies by 30, if Karim got 240 marks in the two subjects together, how many marks did he get in Social Studies ?
Created: 6 years ago |
Updated: 3 years ago
best des
Hints: ধরি, . math mark = m, social studies = s
1/3 m = 1/2s + 30
এবং, m + s = 240
m = 240 - s
তাহলে, 1/3(240 - s) = 1/2 s + 30
80 - s/3 = 1/2 s + 30
1/2s + s/3 = 80 - 30
3S + 2S / 6 = 50
5s = 300
S = 60
এখানে সঠিক উত্তর নাই
Md Azizur Rahman
Founder of Satt
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