When someone lends money to other He tries to take interest over the money landed. Generally, he takes the simple or compounded interest
Terms related:
principle: Amount amount one lends
Interest: Extra money one asks when he lends money
Rate: Rate at which lender charge interest
time= Duration for which the lender lends money to someone
Simple Interest:
Let 's take that one person lends 100 rs to someone at a simple interest rate of 5 yearly.Then he will receive 5 rs as interest at end of 1st year. 10 rs at the end of 2nd year, 15 rs as interest at the end of 3rd year.
Let's take someone lends 100rs for 3 years at a simple interest of 5% then He will receive 100+5*3=115
Let 's say a person lends money x at the simple interest rate of d% then He will receive. d rs every 100 rs every year.
Simple Interest: (principle*rate*time(year))/100
Total amount = principle+ Simple interest
Compound Interest:
Let 's take that one person lends 100 rs to someone at a simple interest rate of 5 yearly:
Then at the end of 1st year he will receive interest as 5 rs, at the end of the second year he will receive (105*5)/100 as interest amount. The formula for Amount one received will be
Total Amount=principle+interest
Direct formula to calculate Total amount is
Total Amount=Principle*(1+(rate/100))^time(in years)
SSC Practice Problem Solution In this post, we will discuss solution of SSC Practice Problem . Question 1 The efficiency of (A + B) = 100/24 = (25/6)% The efficiency of (A + B + C) = 100/8 = (25/2)% The efficiency of C = 25/2 – 25/6 = (50/6)% Hence, C can alone finish this job in = 100/(50/6) = 12 days Answer: 12 days option (1) Question 2 Original price = Rs. 6000; Price after discount = 6000 – 1200 = Rs. 4800; Price after raising service contract = 4800 + 480 = Rs. 5280 Answer: Rs. 5280 option (2) Question 3 Suppose the received money by A, B, and C is respectively 5x, 6x, and 9x. 5x = 450; => x = 90; Hence, the total money = 20x = 20*90 = Rs. 1800; Answer: Rs. 1800 option (2) Question 4 Suppose the Cost price of the bag= Rs. x; Hence, x + 0.15x = 230; => x = Rs. 200; Selling price after selling on 20% = 200 + 20% of 200 = Rs. 240 Answer: Rs. 240 option (3) Question 5 The required percentage ...
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