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Standard VII

Mathematics

Substitution

A person has ...

Question

A person has ₹ 960 in denominations of ₹ 1, ₹ 5 and ₹ 10 notes. The number of notes in each denomination is equal. What is the total number of notes?

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Solution

Let the number of notes in each denomination be x.
According to question,

x + 5x + 10x = 960

$\Rightarrow$ 16x = 960

$\Rightarrow$ $x = \frac{960}{16}$

$\Rightarrow$ x=60

Thus, the number of notes in each denomination is 60. And total number of notes = 180

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A person has ₹ 960 in denominations of ₹ 1, ₹ 5 and ₹ 10 notes. The number of notes in each denomination is equal. What is the total number of notes?

Let the number of notes in each denomination be x. According to question, x + 5x + 10x = 960 ⇒ 16x = 960 ⇒ x=96016 ⇒ x=60 Thus, the number of notes in each denomination is 60. And total number of notes = 180

Let the number of notes in each denomination be x.
According to question,

x + 5x + 10x = 960

$\Rightarrow$ 16x = 960

$\Rightarrow$ $x = \frac{960}{16}$

$\Rightarrow$ x=60

Thus, the number of notes in each denomination is 60. And total number of notes = 180