Psc Cracker

Simple interest is a quick method of calculating the interest charge on a loan. The amount of interest is fixed over a period of time. Principal remains constant SI = P× N×R/100 A= P + SI SI = Simple Interest P =Principal (initial value of an investment) N= number of years R= Rate of interest A = Amount Questions 1.A person deposited 4000 in simple interest rate for 2 months. If he gets 60 as interest, what is the rate of interest ? ( Women Civil Excise Officer 2018 ) SI=PNR/100 N=2/12(for 2 months) 60= 4000*2/12*R/100 R= 9% 2.Ramu invested Rs. 2,500/- in a bank with rate of simple interest 12%. How many rupees does he receive after 1½ years ?( Caretaker Male 2018 )  N= 1 ½= 3/2 SI= PNR/100 SI= 2500*3/2*12/100 SI=450 A= P+SI= 2500+450 = Rs. 2950 2017 1. ഒരു രൂപയ്ക്ക് ഒരു മാസം ഒരു പൈസ പലിശ. പലിശനിരക്ക് എത്ര ? ( LDC 2017 ) SI= PNR/100 1/100= 1* 1/12 *R/100 R= 12% 2. A sum of money doubles itself in 5 years a...