Banking is the business of receiving, safeguarding and lending of money. In this chapter, students are introduced to Recurring Deposit Account and computation of its maturity value. Those students wanting more clarity to solve the problems of any chapter in Selina textbooks can make use the Selina Solutions. All these solutions are prepared by subject experts at BYJUâ€™S according to the latest examination patterns.

In chapter 2 of Concise Selina for Class 10 Maths, there are two exercises. Problems based on computing the maturity value of a RD account is the prime focus in these exercises. For strong preparations, students can also access the Concise Selina Solutions for Class 10 Maths Chapter 2 Banking (Recurring Deposit Accounts)PDF from the links provided below.

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Exercise 2(A) Page No: 23

**1. Manish opens a Recurring Deposit Account with the Bank of Rajasthan and depositsÂ Rs.Â 600 per month for 20 months. Calculate the maturity value of this account, if the bank pays interest at the rate of 10% per annum.**

**Solution: **

From the question, we have

Instalment per month (P) = Rs 600

Number of months (n) = 20

Rate of interest(r) = 10% p.a.

So,

S.I = Rs 1,050

Therefore,

The amount that Manish will be getting at the time of maturity is

= Rs (600 x 20) + 1,050

= Rs 12,000 + 1,050

= Rs 13,050

**2. Mrs. Mathew opened a Recurring Deposit Account in a certain bank and depositedÂ Rs. 640 per month for 4 ^{1}/_{2}Â years. Find the maturity value of this account, if the bank pays interest at the rate of 12% per year.**

**Solution:**

Instalment per month (P) = Rs 640

Number of months (n) = 54

Rate of interest (r) = 12% p.a.

So,

S.I = Rs 9,504

Therefore,

The amount that Manish will be getting at the time of maturity is

= Rs (640 x 54)+ Rs 9,504

= Rs 34,560 + Rs 9,504

= Rs 44,064

**3. Each ofÂ A and B both opened recurring deposit accounts in a bank. If A depositedÂ RsÂ 1,200 per month for 3 years and B depositedÂ RsÂ 1,500 per month forÂ 2Â½ years; find, on maturity, who will get more amount and by how much? The rate of interest paid by the bank is 10% per annum.**

**Solution: **

Calculating for A:

Instalment per month (P) = Rs 1,200

Number of months (n) = 36

Rate of interest (r) = 10% p.a.

So,

S.I = Rs 6,660

Hence,

The amount that A will be getting at the time of maturity is

= Rs (1,200×36) + Rs 6,660

= Rs 43,200 + Rs 6,660

= Rs 49,860

Calculating for B:

Instalment per month (P) = Rs1,500

Number of months (n) = 30

Rate of interest(r) = 10% p.a.

So,

S.I = Rs 5,812.50

Hence,

The amount that B will be getting at the time of maturity is

= Rs (1,500 x 30) + Rs 5,812.50

= Rs 45,000 + Rs 5,812.50

= Rs 50,812.50

Now,

Difference between both amounts is = Rs 50,812.50 â€“ Rs 49,860

= Rs 952.50

Therefore, B will get more amount than A and by Rs 952.50

**4. Ashish deposits a certain sum of money every month is a Recurring Deposit Account for a period of 12 months. If the bank pays interest at the rate of 11% p.a. and Ashish getsÂ RsÂ 12,715 as the maturity value of this account, what sum of money did money did he pay every month?**

**Solution: **

Let us assume the instalment per month (P) as Rs y

Number of months (n) = 12

Rate of interest (r) = 11%p.a.

So,

S.I = Rs 0.715y

Hence,

The amount at maturity will be = Rs (y x 12) + Rs 0.715y = Rs 12.715y

Given that the maturity value = Rs 12,715

So, on equating we have

Rs 12.715y = Rs 12,715

y = 12,715/ 12.715 = Rs 1,000 Â

Therefore, the sum of money Ashish paid every month was Rs 1,000

**5. A man has a Recurring Deposit Account in a bank for 3Â½ years. If the rate of interest is 12% per annum and the man getsÂ Rs 10,206 on maturity, find the value of monthly instalments.**

**Solution: **

Letâ€™s assume that the instalment per month (P) = Rs y

Number of months (n) = 42

Rate of interest (r) = 12% p.a.

So,

S.I = Rs 9.03y

Hence,

The amount at maturity will be = Rs (y x 42) + Rs 9.03y = Rs 51.03y

But given maturity value = Rs10,206

So, on equating we have

Rs 51.03y = Rs 10206

y = 10206/ 51.03 = Rs 200

Therefore, the value of monthly instalment is Rs 200

Exercise 2(B) Page No: 24

**1. Pramod deposits Rs 600 per month in a Recurring Deposit Account for 4 years. If the rate of interest is 8% per year; calculate the maturity value of his account.**

**Solution: **

Given,

Instalment per month (P) = Rs 600

Number of months (n) = 48

Rate of interest (r) = 8% p.a.

So,

_{}

S.I = Rs 4,704

Hence,

The amount that Manish will be getting at the time of maturity is

= Rs (600 x 48) + Rs 4,704

= Rs 28,800 + Rs 4,704

= Rs 33,504

Â

**2. Ritu has a Recurring Deposit Account in a bank and depositsÂ Rs 80 per month for 18 months. Find the rate of interest paid by the bank if the maturity value of account isÂ Rs 1,554.**

**Solution:**

Given,

Instalment per month (P) = Rs 80

Number of months (n) = 18

Let rate of interest (r) = r % p.a.

_{}

S.I = 11.4r

Hence, the amount at the time of maturity will be = Rs (80 x 18) + Rs (11.4r)

And given maturity value = Rs 1,554

So, on equating

Rs (80 x 18) + Rs (11.4r) = Rs 1,554

11.4r = Rs 1,554 â€“ Rs 1,440

r = 114/ 11.4 = 10 %

Therefore, the rate of interest paid by the bank is 10 %

**Â **

**3. The maturity value of a R.D. Account isÂ Rs 16,176. If the monthly instalment isÂ Rs 400 and the rate of interest is 8%; find the time (period) of this R.D Account.**

**Solution: **

Given,

Instalment per month (P) = Rs 400

Let the time, number of months (n) = n

Rate of interest (r) = 8 % p.a.

_{}

So, at the time of maturity the value will be = Rs (400 x n)+ Rs 4n(n + 1)/3

And, given maturity value = Rs 16,176

So, on equating

Rs (400x n) + 4n(n + 1)/3 = Rs 16,176

1200n +4n^{2 }+ 4n = Rs 48,528

4n^{2 }+ 1204n = Rs 48,528

n^{2 }+ 301n â€“ 12132 = 0

(n + 337)(n – 36) = 0

n = -337 (not considered as time cannot be negative) or n = 36

Therefore, the number of months (time) = 36 months = 3years

Â

**4. Mr. Bajaj needs Rs 30,000 after 2 years. What least money (in multiple of Rs 5) must he deposit every month in a recurring deposit account to get required money after 2 years, the rate of interest being 8% p.a.?**

**Solution: **

Letâ€™s assume the instalment per month to be Rs P

Number of months (n) = 24

Rate of interest = 8% p.a.

So,

_{}

S.I = Rs 2P

Thus,

The amount at maturity will be = Rs (P x 24) + Rs 2P = Rs 26P

And, given the maturity value = Rs30,000

So, on equating

Rs 26P = Rs 30,000

P = 30,000/ 26

P = Rs 1,153.84 = Rs 1,155(multiple of 5)

**Â **

**5. Mr. Richard has a recurring deposit account in a post office for 3 years at 7.5 % p.a. simple interest. If he getsÂ Rs. 8,325 as interest at the time of maturity, find:**

**(i)Â the monthly instalment**

**(ii)Â the amount of maturity**

**Solution: **

Letâ€™s assume the monthly instalment be Rs P

Interest over the period =Â Rs. 8,325

Rate of interest = 7.5%

Time = 3 years = 36 months

(i)

Therefore, the monthly instalment is Rs 2,000

(ii)

Therefore, the amount of maturity is Rs 80,325