Question

Lakshmi is cashier in a bank. she has currency notes of denomination of rupees 100,rupees 50,rupees 10, reapectevily. the ratio of the number of these notes is 2:3:5. the total cash with Lakshmi is rupees 4,00,000. how many notes if each denomination does she have.​

Answer 1

Answer:

Let the ratio of these notes be 2x, 3x and 5x.

NOW,

Number of ₹100 notes = 2x

Number of ₹50 notes= 3x

Number of ₹10 notes= 5x

According to question,

Total amount= ₹400000

(100×2x) + (50×3x) + (10×5x)= 400000

=> 200x + 150x + 50x= 400000

=> 400x = 400000

=> x = 400000\400

=> x = ₹1000

Therefore,

Number of ₹100 notes= 2x

= 2×1000

= 2000

Number of ₹50 notes= 3x

= 3×1000

= 3000

Number of ₹10 notes= 5x

= 5×1000

= 5000.

Step-by-step explanation:

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Answer 2

Question:-

• Lakshmi is cashier in a bank. she has currency notes of denomination of rupees 100,rupees 50,rupees 10, respectively. the ratio of the number of these notes is 2:3:5. the total cash with Lakshmi is rupees 4,00,000. how many notes if each denomination does she have.

To Find:-

• Find the number of notes each she have.

Solution:-

• Let the number of ₹ 100 notes be 2N

• Number of ₹ 50 notes be 3N

• Number of ₹ 10 notes be 5N

According to the Question:-

$\dashrightarrow\sf \: 200N + 150N + 50N = 400000$

$\dashrightarrow\sf \: 400N = 400000$

$\dashrightarrow\sf \: N = \cancel\dfrac { 400000 } { 400 }$

$\dashrightarrow\sf \: N = \cancel\dfrac { 4000 } { 4 }$

$\dashrightarrow\sf \: N = 1000$

Hence ,

• Number of ₹ 100 notes = 2000

• Number of ₹ 50 notes = 3000

• Number of ₹ 10 notes = 5000