Page 290 - Ganit Kaushal

Chapter Test

I. Multiple Choice Questions (MCQs)
1. The number 3 units to the right of –1 on the number line is

(a) 1 (b) 2 (c) 3 (d) 4
2. The integer 7 units to the right of 0 on the number line is
(a) 6 (b) 7 (c) 5 (d) 4
3. The number of integers lying between –5 and 5 is

(a) 5 (b) 6 (c) 7 (d) 9
4. The number of whole numbers between –4 and 4 is
(a) 5 (b) 4 (c) 3 (d) 2

5. The greatest integer lying between –8 and –12 is
(a) –8 (b) –9 (c) –10 (d) –11
6. The successor of the predecessor of –20 is
(a) –18 (b) –19 (c) –20 (d) –12
7. The least integer between –6 and –10 is

(a) –8 (b) –10 (c) –9 (d) –7
8. The number of integers from –2 to 2 is
(a) 4 (b) 3 (c) 2 (d) 5

II. Fill in the blanks.
1. 0 is neither positive nor ________.
2. The sum of the pair of integers +5 and –7 is ________.
3. The additive inverse of –7 is ________.

4. Subtracting 4 from –5 gives ________.
5. (5) + (–5) = ________.

III. State whether the following statements are True (T) or False (F).
1. A loss of `600 is represented as – `600.
2. –18 is smaller than –28.
3. –2 lies to the left of 2 on the number line.

4. (7) + (–3) = 5.
5. 5 + (–6) = –1.

IV. Solve the following questions.
1. Show the following numbers on a number line.
(a) –5 (b) 8 (c) 6 (d) –3
(e) –1 (f) 4 (g) –7 (h) 7
(i) 2 (j) 9

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