Simple Interest | WB Madhyamik Math Chapter 2 solve

SIMPLE INTERST

WBBSE MATH SOLUTION | GANIT PRAKASH SOLVE CLASS 10

WB Madhyamik Ganit Prakash for class 10 is solved here. You can get solution of the simple interest whole chapter here. Each question one after another is getting solved here. You can get he solution in video lectures as well. They will help you to get more clear concept.

Introduction of the chapter

WBBSE Class 10 Ganit Prakash Madhyamik maths class 10 chapter 2 Simple Interest This video will guide you to understand all the 4 variables of the Simple Interest Chapter. They are Principal, Interest, Time, and Rate of Intrest. The formula and an example are solved to explain the concept of this chapter. This is the West Bengal Madhyamik Math Ganit Prakash Class 10 Chapter 2 Solve series.

Solution

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Solution

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Question No 1

Two friends together took a loan amount ₹15,000 to run a business from a bank at the rate of simple interest of 12% per annum. Let us write, by calculating, the interest they have to pay after 4 yrs.

Question No 2

Let us determine the interest of ₹2000 at the rate of simple interest of 6% per annum from 1st January to 26th May 2005.

Question No 3

Let us determine the amount (Principal along with interest of ₹960 at the rate of simple interest of 8 (1/3) % annum for 1 yr. 3months.

Question No 4

Utpal Babu took a loan ₹3200 for 2 yrs. From a Cooperative bank for the cultivation of his land at the rate of simple interest of 6% per annum. Let us write by calculating, the amount he has to repay after 2yrs.

Question No 5

Sova Debi deposited some amount of money in a bank at the rate of simple interest of 5.25% per annum. After 2yrs. She has got ₹840 as interest. Let us write by calculating, the money she has deposited in the bank.

Question No 6

Goutam took a loan of some money from a Cooperative bank for opening a poultry farm at the rate of simple interest of 12% per annum. Every month he has to repay ₹378 as interest. Let us determine the loan amount taken by him.

Question No 7

Let us write by calculating, the number of yrs for which an amount becomes twice of its principal having the rate of simple interest of 6% per annum.

Question No 8

Mannan Minyan observed, after 6 years of taking a loan of some money, that the interest to be paid had become (3/8)th of its principal. Let us determine the rate of simple interest in percent per annum.

Question No 9

An agricultural Cooperative society gives agricultural loans to its members at the rate of simple interest of 4% per annum. But interest is to be given at the rate of simple interest of 7.4% per annum for a loan taken from the bank. If a farmer being a member of the Co-operative society takes a loan of ₹5000 from it instead of taking a loan from the bank, the let us write, by calculating the money to be saved as interest per annum

Question No 10

If the interest of ₹292 in 1 day be 1 paise, then let us write by calculating, the rate of simple interest in percent per annum.

Question No 11

Let us write, by calculating the number of yrs. for which the interest of ₹600 at the rate of simple interest of 8% per annum will be ₹168.

Question No 12

If I get ₹1200 return as the amount (principal along with interest) by depositing ₹800in the bank at the rate of simple interest of 10% per annum, then let us write by calculating, the time for which the money was deposited in the bank.

Question No 13

At the same rate of simple interest in percent per annum, if a principal becomes the amount of ₹7100 in 7 yrs. and of ₹6200 in 4 yrs., let us determine the principal and rate of simple interest in percent per annum.

Question No 14

Amal Roy deposits ₹2000 in the bank and Pasupathi Ghosh deposits ₹2000 in the post office at the same time. After 3 yrs. they get the return amounts ₹2360 and ₹2480 respectively. Let us write by calculating, the ratio of the rate of simple interest in percent per annum in the bank and that of in the post office.

Question No 15

A weaver Cooperative society takes a loan of ₹15,000 at the time of buying a power loom. After 5 yrs. the society has to repay ₹22125 for recovering the loan. Let us determine the rate of simple interest in percent per annum.

Question No 16

Aslam Chacha got ₹1,00,00 when he retired from his service. He deposited some of that money in the bank and the rest of his money in the post office and got ₹5400 in total per year as interest. If the rates of simple interest per annum in the and in the post office are 5% and 6%, respectively, then we write by calculating, the money he had deposited in the bank and post office.

Question No 17

Rekha Didi deposited ₹10,000 of her savings in two separate banks at the same time. The rate of simple interest per annum is 6% in one bank and that of 7% in other banks; after 2 yrs., if she gets ₹1280 in total as interest, then let us writhe by calculating, the money she had deposited separately in each of the two banks.

Question No 18

A bank gives 5% simple interest per annum. In the bank, Dipu Babu deposits₹ 15,000 at the beginning of the year, but withdraws ₹3000 after 3 months and then again, after 3 months he deposits ₹8000. Let us determine the amount (Principal along with interest) Dipu Babu will get at the end of the year.

Question No 19

Rahmat Chacha takes a loan amount of ₹2,40,000 from a bank for constructing a building at the rate of simple interest of 12% per annum. After 1 yr. After taking the loan he rents the house at the rate of ₹5200 per month. Let us determine the number of yrs. he would take to repay his loan along with interest from the income of the house rent.

Question No 20

Rathin Babu deposits the money for each of his two daughters in such a way that when the age of each of his daughters will be 18yrs. each one will get ₹1,20,000. The rate of simple interest per annum in the bank is 10% and the present ages of his daughters are 13yrs. and 8 yrs. respectively. Let us determine the money, he had deposited separately in the bank for each of his daughters.

Question No 21 A

Question No 21 B

Question No 21 C

Question No 22 (i)

Write the number of yrs. in which the amount becomes twice the principal having the rate of simple interest of 6 (1/4)% per annum.

Question No 22 (ii)

The rate of simple interest per annum reduces from 4% to 3 (3 /4)% and for this, Amal babu’s annual income decreases by 60. Let us determine Amal babu’s principal. [ MP 2018 ]

Question No 22 (iii)

What is the rate of simple interest per annum, when the interest of a principal in 4 yrs?

Question No 22 (iv)

What is the rate of simple interest per annum, when the interest of some money in 10 yrs? will be 2/5 part of its amount (principal along with interest)-Let us determine it.

Question No 22 (v)

Calculate the principal whose monthly interest is Rs 1 having the rate of simple interest of 5% per annum [ MP 2019]