The interest charged on a loan is Tk. p per Tk. 1,000 for the first month and Tk. q per Tk. 1,000 for each month after the first month. How much interest will be charged during the first three months on a loan of Tk. 10,000?

30p

30q

20p+10q

10p+20q

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উত্তর: 10p+20q

For the first month interest of Tk 10000 = 10pFor the second & third month interest of Tk 10000 = 10q + 10q = 20qTotal interest = 10p + 20q

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