Page 273 - ICSE Math 6

39. Which of the following has no line of symmetry?
(a) A square (b) An angle (c) A scalene triangle (d) A line segment

40. Which of the following have infinite lines of symmetry?
(a) A line (b) A square (c) A circle (d) An arc
41. What is the area of the shaded region of the given figure?
5 m
2 m

2 m
8 m
2 m
2 m

(a) 10 sq. m (b) 32 sq. m (c) 42 sq. m (d) 48 sq. m

42. What is the perimeter of a square of area 36 sq. cm?
(a) 6 cm (b) 12 cm (c) 24 cm (d) 36 cm
43. The mean of a data is:
Sum of all observations Total number of observations
(a) (b)
Total number of observations Sum of all observations
Sum of all observations Sum of all observations
(c) (d)
Largest observation Smallest observation
44. What is the median of the data given below?
14, 25, 36, 45, 78, 24
(a) 5.5 (b) 30.5 (c) 37 (d) 61

SHORT ANSWER TYPE QUESTIONS

1. Form the largest 5-digit number using each of the digits 6, 0 and 3 at least once.
2. Estimate the product of 39 and 9,150 using the general rule.
3. Find the product 25 × 133 × 4 by suitable rearrangement.
4. Find the product of 50 and the smallest 4-digit number.

5. Which among 200, –426, –236, 85 and –23 is the smallest?
6. Evaluate 13 + (+15) – (+36) – (–2).
7. Express 27 as a sum of three prime numbers.
8. Without any actual calculation, check whether 936 is divisible by 6 or not.

7 5 2
9. Convert , and into like fractions.
15 11 5
12 2
10. Divide by .
25 3
11. Convert the sum of ` 12.56 and 546 paise into rupees.

12. Which decimal is 13.476 smaller than 68.32?
13. Write all the members of a set having natural numbers less than 10.
14. Write set B = {x | x < 5, x ∈ W} in the tabular form.

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