किश्तों_में_सामान_लेने_से_पहले_ये_देख_लेना____Discount_by_Gagan_Pratap_sir_#shorts_#ssc_#cgl_#chsl(480p)
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00:00How will you pay the interest on buying things in installments?
00:03You have to buy a laptop charger. There are two ways.
00:05Either pay Rs.2540 as interest or pay Rs.1340 as interest.
00:09Rest of the money is less.
00:10So after one month, pay Rs.1205 more.
00:13So this means that you have made an installment which you will pay after one month for Rs.1205.
00:16What is the interest rate in this?
00:17The charger of the laptop is Rs.2540.
00:20You have paid Rs.1340 as interest.
00:22So how much is left, my friends? Rs.1200.
00:24Rs.1200 has been loaned to you.
00:26He said, I will pay it after one month.
00:27And how much did you pay Rs.1200 after one month?
00:30Rs.1205.
00:31That means you have given Rs.5 as extra interest.
00:33If there is Rs.5 interest in one month, then how much will be the interest in one year? Rs.60.
00:37So Rs.1200, but there is Rs.60 interest in 12 months.
00:39How much is it? 5% is Rs.1250 and Rs.60 is Rs.60.
00:41That means you must have paid 5% interest in one year.
00:445% per annum.
00:45This is the answer. C option.
00:46There is no smarter way than this.
00:47We will do this one.