PSEB 5th Class Maths Solutions Chapter 2 संख्याओं पर मूल क्रियाएं Ex 2.10

Punjab State Board PSEB 5th Class Maths Book Solutions Chapter 2 संख्याओं पर मूल क्रियाएं Ex 2.10 Textbook Exercise Questions and Answers.

PSEB Solutions for Class 5 Maths Chapter 2 संख्याओं पर मूल क्रियाएं Exercise 2.10

हल करो:

प्रश्न (क).
42 ÷ 7 + 8
हल:
427 ÷ 8 = 6 + 8 = 14

प्रश्न (ख).
8 + 6 × 2
हल:
8 + 6 × 2 = 8 + 12 = 20

प्रश्न (ग).
7 × 8 ÷ 4 – 6
हल:
7 × 8 ÷ 4 – 6
= 7 × 2 – 6
= 14 – 6 = 8

प्रश्न (घ).
63 ÷ 9 × 4 + 28 – 15
हल:
63 ÷ 9 × 4 + 28 – 15
= 7 × 4 + 28 – 15
= 28 + 28 – 15
= 56 – 15
= 41.

प्रश्न (ङ).
25 × 3 + 42 ÷ 6 – 4
हल:
25 × 3 + 42 ÷ 6 – 4
= 25 × 3 + 7 – 4
= 75 + 7 – 4
= 82 – 4
= 78

प्रश्न (च).
18 ÷ 6 × 21 + 17 – 18
हल:
18 ÷ 6 × 21 + 17 – 18
= 3 × 21 + 17 – 18
= 63 + 17 – 18
= 80 – 18
= 62

प्रश्न (छ).
8 ÷ 8 + 8 × 8 – 8
हल:
8 ÷ 8 + 8 × 8 – 8
= 1 + 8 × 8 – 8
= 1 + 64 – 8
= 65 – 8
= 57

प्रश्न (ज).
72 + 48 × 36 ÷ 18 – 9
हल:
72 + 48 × 36 ÷ 18 – 9
= 72 + 48 × 2 – 9
= 72 + 96 – 9
= 168 – 9
= 159

प्रश्न (झ).
44 + 2 × 9 – 35 ÷ 5
हल:
44 + 2 × 9 – 35 ÷ 5
= 44 + 2 × 9 – 7
= 44 + 18 – 7
= 62 – 7x
= 55.

प्रश्न (ञ).
18 + 126 ÷ 14 × 3 – 25
हल:
18 + 126 ÷ 14 × 3 – 25
= 18 + 9 × 3 – 25
= 18 + 27 – 25
= 45 – 25
= 20.