1. Find the HCF of the following numbers: (a) 18, 48 (b) 30, 42 (c) 18, 60 (d) 27, 63 (e) 36, 84 (f) 34, 102 (g) 70, 105, 175 (h) 91, 112, 49 (i) 18, 54, 81 (j) 12, 45, 75 Solutions: (a) 18, 48 18 = 2 × 3 × 3 48 = 2 × 2 × 2 …
1. Write the fraction representing the shaded portion. Solutions: (i) Number of parts = 4 Shaded portion = 2 ∴ Fraction = \(2\over 4\) (ii) Number of parts = 9 Shaded portion = 8 ∴ Fraction = \(8\over 9\) (iii) Number of parts =…
1. Draw number lines and locate the points on them: (a) \({1 \over 2}, {1 \over 4}, {3 \over 4}, {4 \over 4}\) (b) \({1 \over 8}, { 2 \over 8}, { 3 \over 8}, { 7 \over 8}\) (c) \({2 \over 5}, { 3 \over 5}, { 8 \over 5}, { 4 \ov…
1. In a Mathematics test, the following marks were obtained by 40 students. Arrange these marks in a table using tally marks. 8 1 3 7 6 5 5 4 4 2 4 9 5 3 7 1 6 5 2 7 7 3 8 4 2 8 9 5 8 6 7 4 5 6 9 6 4 4 6 6 (a) Find how many s…
