Question

A sum of Rs.460 is in the form of denominations of Rs. 5 and Rs.2. If the total number of notes is 95. Find the number of notes of each type.​

Answer 1

Answer:

Let the number of 10Rs notes be x

Number of 20Rs notes be 50 – x

Amount due to 10Rs notes = 10 × x = 10x  

Amount due to 20Rs notes = 20 × (50 – x) = 1000 – 20x  

So the total amount is Rs 800

10x + 1000 – 20x = 800

-10x = 800 – 1000

-10x = -200

x = -200/-10

= 20

∴ The number of 10Rs notes is 20

Number of 20Rs notes are 50 – 20 = 30

Step-by-step explanation:

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Answer 2

Answer:

Market value of each share = Rs 150. 5. By selling at Rs 92, some 2.5% Rs 100 shares and investing the proceeds in 5% Rs 100 shares at Rs 115, a person increased his annual income by Rs 90. Find:..

Step-by-step explanation: