Rahim has three times as much money as Karim has. If Rahim gives Karim TK.50 then Karim will have three times as much money as Rahim will have. How much money do they have together ?
A
75
B
100
C
120
D
130
Correct Answer: 100
প্রশ্নঃ Rahim has three times as much money as Karim has. If Rahim gives Karim TK.50 then Karim will have three times as much money as Rahim will have. How much money do they have together ? বর্ণনাঃCase 1: Rahim has three times as much money as Karim has. let, karim's money = x, so rahim's money = 3xCase 2: If Rahim gives Karim TK.50 then Karim will have three times as much money as Rahim will have.After the condition - Rahim gives Karim TK.50Karim's money = x + 50 & rahim's money = 3x - 50After the condition - Karim will have three times as much money as Rahim will have,karim's maney = 3 * rahim's moneyor, x + 50 = 3(3x - 50)or, x + 50 = 9x - 150or, 8x = 200so, x = 25So, The money do they have together is: x + 3x = 4x = 4*25 = 100 Answer: 100