Page 78 - Maths Skills - 7

76 Maths

ASSESSMENT TIME

COMPETENCY BASED QUESTIONS 7. Additive inverse of − 8 is :
11
A. Multiple-Choice Questions 11 −11

4 (i) − 8 (ii) 8
1. lies:
5 8
(i) to left of 0 on the number line (iii) 11 (iv) 0

(ii) to right of 0 on the number line 5 8
(iii) sometimes to the left and sometimes to the 8. 31 − 31 is equal to:
right of 0 on the number line
(iv) none of these (i) 11 (ii) −11
− 7 31 31
2. The standard form of is: − 3 3
− 35 (iii) (iv)
1 1 31 31
(i) − (ii) − 8
5 5 9. The reciprocal of is:

(iii) 5 (iv) – 5 5
− 5 8
− 25 (i) (ii)
3. is equivalent to: − 8 5
100 5
1 1 (iii) (iv) 0
(i) − (ii) − 8
4 4 − 5 23
3 3 10. + is equal to:
(iii) (iv) − 31 31
4 4
− 8 (i) 28 (ii) −18
4. is a/an: 31 31
− 35
(i) positive rational number (iii) 18 (iv) 0
31
(ii) integer
(iii) negative rational number B. Fill in the Blanks
p
(iv) none of these 1. A number of the form , where p and q are
q

5. If a, b and c are rational numbers such that integers and q ≠ 0, is called a ________________
a < b and b < c, then: number.
(i) a > c (ii) a < c 2. A number of the form , where p and q are
p
(iii) a = c (iv) a = b q
positive integers is called a ________________
2 4
6. ÷ is equal to : number.
7 − 7 p
1 −1 3. A rational number q is negative if either
(i) (ii)
2 2 numerator or ________________ is positive and
3 ________________ or denominator is negative.
(iii) (iv) 0
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