Chapter 4 Solution West Bengal Board : Class 7 Mathematics
West Bengal Board Class 7 Math Solution full Exercise 4 by Experts. Here in this page WB Board Class 7 Student can find Ganit Prabha Class 7 Math Chapter 4 পূর্ণসংখ্যার যোগ, বিয়োগ, গুন ও ভাগ (Addition, Subtraction, Multiplication and Division of Integers) Exercise 4 Solution.
Board | WB Board |
Class | 7 (Seven) |
Subject | Mathematics |
Book Name | Ganit Prabha |
Chapter | 4 |
Chapter Page Number on Book | 68 and 69 |
(1)
(a) (-10) x 4
= – 40
(b) (-15) x ____ = – 90
= 6
(c) 25 x ____ = -125
= -5
(d) (-16) x ____ = 96
= 6
(e) (-13) x ____ = -104
= 8
(f) ____ x 21 = -126
= -6
(g) ____ x ____ = -42
= 6, -7
(h) ____ x (-30) = 330
= -11
(i) 26 ÷ ____ = 1
= -26
(j) ____ ÷ 1 = -29
= -29
(k) ____ ÷ (-59) = -1
= 59
(l) 87 ÷ ____ -1 = -87
= -1
(6)
(i) -16 ÷ (-2) + ____ = -14
= -9
(ii) 20-50 +____ = -1
= 29
(iii) 41 x (-5) +____ = -3
= 202
(iv) (-9) x (-3) x ____ = -81
= -3
(v) (-15) ÷ (-5) – ____ = -1
= 4
(vi) (-18) ÷ ____ +3 = -6
= 2
(vii) ____ ÷ -2 = -7
= -20
(viii) ____ x (-1) + 9 = 0
= 9
(9)
(1) (-125) ÷ 5
= -25
(ii) (-144 ÷ 6)
= -24
(iii) (-49) ÷7
= -7
(iv) 225 ÷ (-3)
= -75
(v) 169 ÷ (-13)
= -13
(vi) 100 ÷ (-5)
= -20
(vii) (-81) ÷ (-9)
= 9
(viii) (-150) ÷ (-5)
= 30
(ix) (-121) ÷ (-11)
= 11
(x) (-275) ÷ (-25)
=11
Good