AUTUMN BREAK HOMEWORK CLASS- VII(MATHEMATICS)

 KENDRIYA VIDYALAYA NO-2, DARBHANGA

AUTUMN BREAK HOMEWORK

CLASS- VII(MATHEMATICS)

1. Identify the false statement. (a) A triangle with three equal sides is called an equilateral triangle. (b) A triangle with a right angle is called a right angled triangle.

(c) A triangle with two equal sides is called a scalene triangle.

(d) A right angled triangle has two acute angles and a right angle. 2. In ΔXYZ, x, y and z denote the three sides. Which of the following is incorrect’? (a) x – y > z (b) x + z > y (c) x – y < z (d) x + y > z 3. Arrange the following rational numbers in ascending order. 4. Insert five rational numbers between: 5. Evaluate the following: 6. State whether the following ratio is equivalent or not? (a) 2 : 3 and 4 : 5 7. What per cent of 40 kg is 440 g? 8. ₹ 9000 becomes ₹ 18000 at simple interest in 8 years. Find the rate per cent per annum. 9. The cost of an object is increased by 12%. If the current cost is ₹ 896, what was its original cost?

10. In the given figure, state the rule of congruence followed by congruent triangles LMN and

ONM.

11. In the given figure, ΔQPS = ΔSRQ. Find each value.

(a) x

(b) ∠PQS

(c) ∠PSR

12. Classify the following triangle on the bases of sides

13. In the given figure, find x.

14. In ΔABC, AC = BC and ∠C = 110°. Find ∠A and ∠B.

15. Find whether the following triplet is Pythagorean or not?

(a) (5, 8, 17)