CBSE Class 7 Mathematics Worksheet (14)

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DAV BORL PUBLIC SCHOOL, BINA

REVISION WORKSHEET FOR SA1 (SESSION 2013-14)

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CLASS – VII SUBJECT-MATHEMATICS

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SECTION- A

Select one correct answer out of the four options given,

1. If

=

, then the value of p is

(a) 23 (b) - 23 (c) 32 (d) 2

2. Which of the following is not equal to

(a) 5 ×10-1 (b) 0. 5 ×10-1 (c) 0.05 ×10 (d) 0.005 ×102

3. If in ΔABC, <C = 90o, AC = 3 cm and BC = 4 cm, then AB equals:-

(a) 3.5cm (b) 5 cm (c) 7 cm (d) 25cm

4. The Arithmetic mean of 8, 2, 5 is

(a) 8 (b) 2 (c) 5 (d) 15

5. The reciprocal of

is

(a) 9 (b) - 9 (c)

(d)

SECTION – B

6. Compare the rational numbers -

and

7. ΔABC is isosceles with AB = AC. If <A = 70o, what is the measure of <B?

8. Find the median of the following data.

11; 39; 43 ; 45 ; 25 ; 46 ; 43 ; 42 ; 37

9. By what number should be multiply 2-5 so that the product may be equal to 2-1.

10. Express -9.6 as rational number in standard form.

SECTION - C

11. The heights of 10 boys were measured in cm and the result were as follows :-

(i) What is the height of the tallest boy?

(ii) What is the range of the data?

(iii) Find the mean height?

12. In the figure AB ∥ CD and AB = CD

A D

B C

(i) Is <BAC = <DCA? Why?

(ii) Is ΔABC≅ ΔCDA by SAS congruence condition?

(iii) State the three facts you have used to answer (ii)

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