A man went to the reserve Bank of India with Rs. $2000$ . He asked the cashier to give him Rs. $10$ and Rs. $20$ notes only in return. The man got $150$ notes in all. How many notes of Rs. $10$ did he receive?

100

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150

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50

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70

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Solution

The correct option is A $100$
Let Rs. $10$ note be x and Rs. $20$ note be y
According to the question, $x + y = 150$
$10 x + 20 y = 2000$
$\Rightarrow$ By Solving we get
$x = 100$
$y = 50$

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A man went to the reserve Bank of India with Rs. 2000. He asked the cashier to give him Rs. 10 and Rs. 20 notes only in return. The man got 150 notes in all. How many notes of Rs. 10 did he receive?

The correct option is A 100Let Rs. 10 note be x and Rs. 20 note be yAccording to the question, x+y=15010x+20y=2000⇒ By Solving we get x=100 y=50

A man went to the reserve Bank of India with Rs. $2000$ . He asked the cashier to give him Rs. $10$ and Rs. $20$ notes only in return. The man got $150$ notes in all. How many notes of Rs. $10$ did he receive?

The correct option is A $100$
Let Rs. $10$ note be x and Rs. $20$ note be y
According to the question, $x + y = 150$
$10 x + 20 y = 2000$
$\Rightarrow$ By Solving we get
$x = 100$
$y = 50$