# Compound Interest Tricks

You know that aptitude section is one of the most important sections for Bank, SSC and other competitive exams. If you want to crack any competitive exam then you have to score good marks in quantitative aptitude section. In most of the examination 1-2 questions directly come on Compound Interest Tricks. In competitive exams the most important thing is time management, if you know how to manage your time then you can do well in Exams.

Here on this page we have provided you Compound Interest Shortcut Tricks (चक्रवृद्धि ब्याज ट्रिक्स) which will help you in cracking the exam. Questions based on Compound Interest Shortcut Tricks are provided below on this page which will help you to better understand shortcut tricks on Compound Interest.

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## Compound Interest Shortcut Tricks (चक्रवृद्धि ब्याज शॉर्टकट ट्रिक्स)

 Trick 1

A sum of money, placed at compound interest, becomes ‘n’ times in ‘t’ years and ‘m’ times in ‘x’ years. We calculate the value of x from the equation given below

Question: A sum of money placed at compound interest doubles itself in 4 years. In how many years will it amount to 16 times itself?

Answer:

Question: A sum of money placed at compound interest doubles itself in 5 years. In how many years will it amount to 8 times itself?

Answer:

 Trick 2

If an amount of money grows up to Rs. x in t years and up to Rs. y in (t+1) years on compound interest, then

Question: An amount of money grows upto Rs 3000 in 3 years and upto Rs 4000 in 4 years on compound interest. What will be the rate percent?

Answer:

Question: A certain sum of money amounts to ₹ 2,420 in 2 years and ₹ 2,662 in 3 years at some rate of compound interest, compounded annually. The rate of interest per annum is?

Answer:

Check Here – How to Prepare Maths for Competitive Exams

 Trick 3

A sum at a rate of interest compounded yearly becomes Rs. A1 in n years and Rs. A2 in (n + 1) years, then

Question: A sum of money invested at compound interest amounts to Rs. 100 at the end of first year and Rs. 120 at the end of second year. The sum of money is:

Answer:

Question: What sum of money at compound interest will amount to Rs. 480 at the end of the first year and Rs. 576 at the end of the second year?

Answer:

 Trick 4

If a certain sum becomes ‘m’ times in ‘t’ years, the rate of compound interest r is equal to

Question: At what rate percent will the compound interest, does a sum of money become 27 times in 3 years?

Answer:

Question: At what rate of percent per annum compound interest does a sum of money become four times itself in 2 years?

Answer:

Also Check – Maths Formulas

 Trick 5

On a certain sum of money, the difference between compound interest and simple interest for 2 years at R% per annum is given by

Question: On a certain sum of money, the simple interest for 2 years is Rs. 160 at the rate of 5 % per annum. Find the difference in C.I and SI.

Answer:

Question: The difference between SI and CI for 2 years @ 20% per annum is Rs 8. What is the principal?

Answer:

यहां हमने प्रतियोगी परीक्षाओं के लिए कुछ उपयोगी चक्रवृद्धि ब्याज शॉर्टकट ट्रिक्स दिए हैं, जो उम्मीदवार आगामी परीक्षाओं की तैयारी कर रहे हैं वे इनका उपयोग करके Ques पढ़ते ही उत्तर निकाल सकते है.

Compound interest is a very important part of numerical aptitude and is commonly asked in all exams. Mostly exams consist of 1 to 2 questions which can play a very important role in your selection.

Therefore, students should be aware of questions based on Compound Interest Tricks asked in the examination and practice more and more on compound interest (CI). Here, we have provided some important Compound Interest Shortcut Tricks (चक्रवृद्धि ब्याज शॉर्टकट ट्रिक्स) which will be helpful in your preparation.

Something That You Should Put An Eye On

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