Chapter 3 Data Handling Exercise 3.1
Chapter 3 Data Handling Exercise 3.1 Question 1. Find the range of heights of any ten students of your class. Solution: Let us have the heights of 10 students are as follows: 140 cm, 141.5 cm, 138 cm, 150 cm, 161 cm, 138 cm, 140.5 cm, 135.5 cm, 160 cm, 158 cm Here, minimum height […]
Chapter 2 Fractions and Decimals
Chapter 2 Fractions and Decimals Very Short Answer Type Question 3. Solve the following: Solution: Question 4. Multiply 2.05 and 1.3. Solution: Questions Short Answer Type Question 6. Arrange the following in ascending order: Solution: Question 7. Find the products: (i) 2.4 × 100 (ii) 0.24 × 1000 (iii) 0.024 × 10000 Solution: Question 10. […]
Chapter 2 Fractions and Decimals Exercise 2.7
Chapter 2 Fractions and Decimals Exercise 2.7 Question 1. Find: (i) 0.4 ÷ 2 (ii) 0.35 ÷ 5 (iii) 2.48 ÷ 4 (iv) 65.4 ÷ 6 (v) 651.2 ÷ 4 (vi) 14.49 ÷ 7 (vii) 3.96 ÷ 4 (viii) 0.80 ÷ 5 Solution: Question 2. Find: (i) 4.8 ÷ 10 (ii) 52.5 ÷ 10 (iii) […]
Chapter 2 Fractions and Decimals Exercise 2.6
Chapter 2 Fractions and Decimals Exercise 2.6 Question 1. Find: (i) 0.2 × 6 (ii) 8 × 4.6 (iii) 2.71 × 5 (iv) 20.1 × 4 (v) 0.05 × 7 (vi) 211.02 × 4 (vii) 2 × 0.86 Solution: (i) 0.2 × 6 ∵ 2 × 6 = 12 and we have 1 digit right […]
Chapter 2 Fractions and Decimals Exercise 2.5
Chapter 2 Fractions and Decimals Exercise 2.5 Question 1. Which is greater? (i) 0.5 or 0.05 (ii) 0.7 or 0.5 (iii) 7 or 0.7 (iv) 1.37 or 1.49 (v) 2.03 or 2.30 (vi) 0.8 or 0.88 Solution: (i) 0.5 or 0.05 Comparing the tenths place, we get 5 > 0 ∴ 0.5 > 0.05 (ii) […]
Chapter 2 Fractions and Decimals Exercise 2.4
Chapter 2 Fractions and Decimals Exercise 2.4 Question 1. Find: Solution: Question 2. Find the reciprocal of each of the following fractions. Classify the reciprocals as proper fractions, improper fractions and whole numbers. Question 3. Find: Solution: Question 4. Find: Solution:
Chapter 2 Fractions and Decimals Exercise 2.3
Chapter 2 Fractions and Decimals Exercise 2.3 Question 1. Find: Solution: Question 2. Multiply and reduce to lowest form (if possible): Solution: Question 3. Multiply the following fractions: Solution: Question 4. Which is greater: Solution: Question 5. Saili plants 4 saplings, in a row, in her garden. The distance between two adjacent saplings is m. Find […]
Chapter 2 Fractions and Decimals Exercise 2.2
Chapter 2 Fractions and Decimals Exercise 2.2 Question 1. Which of the drawings (a) to (d) show. Solution: Question 2. Some pictures (a) to (c) are given below. Tell which of them show: Solution: Question 3. Multiply and reduce to lowest form and convert into a mixed fraction: Solution: Question 4. Shade: Solution: Question 5. […]
Chapter 2 Fractions and Decimals Exercise 2.1
Chapter 2 Fractions and Decimals Exercise 2.1 Question 1. Solution: Solution: Question 2. Arrange the following in descending order: Solution: Question 3. In a “magic square” the sum of number in each row, in each column and along the diagonals is the same. Is this a magic square? Solution: Solution: Question 5. Find the perimeter […]
Chapter 1 Integers
Chapter 1 Integers Very Short Answer Type Question 1. Fill in the blanks using < or >. (a) -3 …… -4 (b) 6 ……. -20 (c) -8 …… -2 (d) 5 …… -7 Solution: (a) -3 > -4 (b) 6 > -20 (c) -8 < -2 (d) 5 > -7 Question 2. Solve the following: […]