West Bengal Board Class 6 Math Chapter 7 Kose Dekhi 7 Solution

Kose Dekhi 7 Solution West Bengal Board : Class 6 Mathematics

West Bengal Board Class 6 Math Solution full Exercise 7 by Experts. Here in this page WB Board Class 6 Student can find Ganit Prabha Class 6 Math Chapter 7 দশমিক ভগ্নাংশকে পূর্ণসংখ্যা ও দশমিক ভগ্নাংশ দিয়ে গুন ও ভাগ  (Multiply and Divide Decimal Fractions by Integers and Decimal Fractions) Kose Dekhi 7 Solution.

(9) (i) 0.7 x 0.9

= 0.63

(ii) 0.6 x 0.5

= 0.30

(iii) 0.02 x 0.2

= 0.004

(iv) 0.67 x 0.39

= 0.2613

(v) 0.52 x 0.43

=0.2236

(vi) 0.07 x 0.97

= 6.79

(vii) 6.23 x 2.51

=15.6373

(viii) 5.77 x 2.93

= 16.9061

(ix) 8.23 x 0.3

= 2.469

(x) 82.03 x 0.06

= 4.9218

(xi) 85.29 x 3.92

= 334.3368

(xii) 72.2 x 2.65

= 191.33

(xiii) 72.04 x 0.05

=3.602

(xiv) 72.156 x 12.16

= 877.41696

(xv) 0.6 x 0.3 x 0.2

=0.036

(xvi) 0.2 x 0.06 x 0.03

= 0.00036

(xvii) 2.14 x 0.4 x 0.9

=0.7704

(xviii) 1.21 x 0.5 x 05.2

= 3.146

(xix) 3.06 x 100

= 306

(xx) 7.92 x 1000

= 7920

(11) (i) 0.625 ÷ 5

= 0.125

(ii) 0.627 ÷ 3

=0.209

(iii) 0.343 ÷ 7

=0.049

(iv) 651.2 ÷ 4

= 162.8

(v) 7 ÷ 3.5

= 2

(vi) 18 ÷ 0.2

= 90

(vii) 28.8 ÷ 1.2

= 24

(viii) 11.7 ÷ 1.3

= 9

(ix) 1.35 ÷ 1.5

= 0.9

(x) 0.65 ÷ 0.5

= 1.3

(xi) 0.07 ÷ 0.5

= 0.14

(13) (i) 13.28 – 4.07 + 2.7 x 0.02

= 13.28 – 4.07+0.054

= 9.264

(ii) {45.85 – (6.29+15.06)} ÷ 5

= {45.85 – 21.35} ÷ 5

= 4.9

(iii) (7.8 – 7.8 x 0.2) ÷ 1.2

= (7.8 -1.56) ÷ 1.2

= 5.2

(iv) 0.35 x 0.35 + 0.15 x 0.15 + 2 x 0.35 x 0.15

= 0.1225 + 0.0225+0.105

= 0.4525

(v) {(4-2.07) x 2.5} ÷1.93

= {1.93 x 2.5} ÷1.93

= 4.825 ÷1.93

= 2.5