# KSEEB Solutions for Class 6 Maths Chapter 8 Decimals Ex 8.4

Students can Download Chapter 8 Decimals Ex 8.4 Questions and Answers, Notes Pdf, KSEEB Solutions for Class 6 Maths helps you to revise the complete Karnataka State Board Syllabus and score more marks in your examinations.

## Karnataka State Syllabus Class 6 Maths Chapter 8 Decimals Ex 8.4

Question 1.
Express as rupees using decimals.
a) 5 paise
b) 75 paise
c) 20 paise
d) 50 rupees 90 paise
e) 725 paise.
Solution:
W.K.T. 1 Rupee = 100 paise
a) 5 paise = $$\frac{5}{100}$$ rupees = 0.05 Re
b) 75 paise = $$\frac{75}{100}$$rupees = 0.75 Re
c) 20 paise = $$\frac{20}{100}$$ rupees = 0.20 Re
d) 50 rupees 90 paise = $$\left(50+\frac{90}{100}\right)$$ rupees
e) 725 paise = $$\frac{725}{100}$$ rupees = 7.25

Question 2.
Express as metres using decimals.
a) 15 cm
b) 6 cm
c) 2 m 45 cm
d) 9 m 7 cm
e) 416 cm
Solution:
we know that 1 metre = 100 cm
a) 15 cm = $$\frac{15}{100}$$ m = 0.15 m
b) 6 cm = $$\frac{6}{100}$$ m = 0.06 m
c) 2 m 45 cm = $$\left(2+\frac{45}{100}\right)$$ m = 2.45 m
d) 9m 7 cm = $$\left(9+\frac{7}{100}\right)$$ m = 9.07 m
e) 416 cm = $$\frac{419}{100}$$ m = 4.19 m

Question 3.
Express as cm using decimals.
a) 5 mm
b) 60 mm
c) 164 mm
d) 9 cm 8 mm
e) 93 mm
Solution:
a) 5mm = $$\frac{5}{10}$$ cm = 0.5 cm
b) 60 mm = $$\frac{60}{10}$$ cm = 6.0 cm
c) 164 mm = $$\frac{164}{10}$$ cm = 16.4 cm
d) 9 cm 8 mm = $$\left(9+\frac{8}{10}\right)$$ cm = 9.8 cm
e) 93 mm = $$\frac{93}{10}$$ cm = 9.3 cm

Question 4.
Express as km using decimals.
a) 8 m
b) 88 m
c) 8888 m
d) 70 km 5 m
Solution:
a) 8 m = $$\frac{8}{1000}$$ = 0.008 km
b) 88 m = $$\frac{88}{1000}$$ = 8.888 km
c) 8888 m = $$\frac{8888}{1000}$$ km = 8.888 km
d) 70 km 5 m = $$\left(70+\frac{5}{1000}\right)$$ km = 70.005 km

Question 5.
Express as kg using decimals.
a) 2g
b) 100 g
c) 3750 g
d) 5 kg 8 g
e) 26 kg 50 g
Solution:
W.K.T. 1 kg = 1000 grams
a) 2g = $$\frac{2}{1000}$$ kg = 0.002 kg
b) 100g = $$\frac{100}{1000}$$ g = 0.10 kg
c) 3750 g = $$\frac{3750}{1000}$$ kg = 3.750 kg
d) 5 kg 8 g = $$\left(5+\frac{8}{1000}\right)$$ kg = 5.008 kg
e) 26 kg 50 g = $$\left(26+\frac{50}{1000}\right)$$ kg = 26.050 kg

error: Content is protected !!