Ncert solutions

# Question 1

Q1) Express as rupees using decimals.

(a) 5 paise (b) 75 paise (c) 20 paise

(d) 50 rupees 90 paise (e) 725 paise

Solution 1:

(a) Re. 1 = 100 paisa

1 paisa = Re. \frac{1}{100}

5 paisa = Re. 5\times\frac{1}{100}=\ \frac{5}{100}=Re.\ 0.05

(b) Re. 1 = 100 paisa

1 paisa = Re. \frac{1}{100}

75 paisa = 75\times\frac{1}{100}=\ \frac{75}{100}=Re.\ 0.75

(c) Re. 1 = 100 paisa

1 paisa = Re. \frac{1}{100}

20 paisa = 20\times\frac{1}{100}=\ \frac{20}{100}=Re.\ 0.20

(d) Re. 1 = 100 paisa

1 paisa = Re. \frac{1}{100}

50 rupees 90 paisa = 50\ +\ 90\times\frac{1}{100}=50+\frac{90}{100}=50+0.90=\ Rs.\ 50.90

(c) Re. 1 = 100 paisa

1 paisa = Re. \frac{1}{100}

725 paise = 725\times\frac{1}{100}=\frac{725}{100}=Rs.\ 7.25

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