Math, asked by mohda98307, 7 months ago



Multiple Choice Questions:
The reciprocal of a positive rational numbers is…. [ ]
(a) Positive (b) negative (c) zero (d) none of these
A rational number 3/40 is equal to [ ]
(a) 0.75 (b) 0.12 (c) 0.012 (d) 0.075
A rational number between 3 and 4 is [ ]
(a) 3/2 (b) 4/3 (c) 7/2 (d) 7/4
The rational number between 3/5 and 4/5 is [ ]
(a) 7/5 (b) 7/10 (c) 3/10 (d) 4/10
Associative property does not followed in… ….. [ ]
(a) whole numbers (b) Integer
(c) natural numbers (d) Rational numbers
. ……….. is the identity for the addition of rational numbers [ ]
( a) 1 (b) 0 (c) -1 (d) 1/2
. ………. Is the multiplicative identity for rational numbers [ ]
(a) 1 (b) 0 (c) -1 (d) ½
The additive inverse of 7/5 is [ ]
(a) 1 (b) 0 (c) -7/5 (d) 7/5
Zero has …………….. reciprocal [ ]
(a) 1 (b) 0 (c) -1 (d) no
The reciprocal of -5 is [ ]
(a) 5 (b)1 (c) -1/5 (d) 1/5
The numbers… …… and… ……are the reciprocal to each other [ ]
(a) 1 and 0 (b) 1 and -1 (c) -1 and 0 (d) none of these
The sum of the rational numbers -5/16 and 7/12 is [ ]
(a) -7/48 (b) -11/30 (c) 13/48 (d) 1/3
The multiplicative inverse of 3/40 is [ ]
(a) 1 (b) 0 (c) ¾ (d) none of these
If x=3/7 then the value of –(–(–x) )= [ ]
(a) 3/7 (b) –3/7 (c) 1 (d) 9/27
If we multiply 14 with the reciprocal of -5/11 then we get [ ]
(a) -154/5 (b) -70/11 (c) 5/14 (d) – 5/154
The product of two rational numbers is always [ ]
(a) whole numbers (b) Integers
(c) natural numbers (d) rational numbers
When we subtract ¾ from ⅓ [ ]
(a) 5/12. (b) -5/12. (c) -2/12. (d) 2/12
Name the property x × 1/x =1(x≠0) [ ]
(a) multiplicative inverse. (b) multiplicative identity
(c) closure. (d) commutative
The set of numbers which do not have any additive identity. [ ]
(a) whole numbers. (b) Integers
(c) natural numbers. (d) Rational numbers
If a and b are two rational numbers then…. ….. is rational number between them.
[ ]
(a) ab/2. (b) (a–b) /2. (c) (a+b)/2. (d) a/b
Which of the following is not a linear equation in one variable? [ ]
a) 33z b) 33(x+y)=0 c) 33x=0 d) 33
The solution of 3x+1=16 is: [ ]
a) 5 b) 7 c) 12 d) 11
The solution of 200y - 51 = 49 is: [ ]
a) 9/2 b) 4/9 c) -⅖ d) ½
The solution of n/7 = -3 is: [ ]
a) 15 b) 10 c) -21 d) 5
What should be added to -7/3 to get 3/7? [ ]
a) 21/58 b) 58/21 c) 47/21 d) 50/21
The solution for 8m+9=7m+8: [ ]
a) -1 b) 6 c) 10 d) 14
Four times a number reduced by 5 equals 19. Find the number:
a) 2 b) 5 c) 4 d) 6
Two supplementary angles differ by 34. Find the angles. [ ]
a) 60 and 120 b) 100 and 70 c) 73 and 107 d) 99 and 81
Three consecutive integers add up to 51. The integers are: [ ]
a) 16,17,18 b) 15,16,17 c) 17,18,19 d) 18,19,20
The solution for 3m = 5m – (8/5) is: [ ]
a) 8/5 b) ⅘ c) 5/4 d) 4/3
The sum of the page numbers on the facing pages of a book is 373. What are the page numbers? [ ]
a) 185 and 188 b) 186 and 187 c) 184 and 189 d) 182 and 181
In the following figure, what is the value x? [ ]


a) 22 b) 19 c) 14 d) 12

What is the possible solution for 8m + 9 = 7m +8. [ ]
a) 2 b) -1 c) 4 d) 1
Find the value of ‘x’ so that l is parallel to m. [ ]






a) 5 b) 15 c) 25 d) 10
When I triple a certain number and add 2, I get the same answer as I do when I subtract the number from 50. Find the number. [ ]
a) 5 b) 15 c) 12 d) 10
Mary is twice older than her sister. In 5 years’ time, she will be 2 years older than her sister. Find how old are they both now. [ ]
a) 3 b) 5 c) 2 d) 7
In the equation 3x = 4-x, transposing -x to LHS we get [ ]
a. 3x - x = 4 b. 3x + x = 4 c. -3x + x = 4 d. -3x - x = 4
How old will I be after 10 years, if my age before 10 years was ‘x’ years? [ ]
a. X + 20 b. X – 20 c. X + 10 d. X ‐ 10
If x is an even number, which is the next odd number? [ ]
a. X + 1 b. X + 2 c. X – 1 d. X – 2
After 15 years , Mary’s age will be four times of her present age. Find her present age. [ ]
a) 3 b)4X+ 5 c) 2 d) 4X+15​

Answers

Answered by lorddierajput
46

Answer:

Step-by-step explanation:

1)0.075

2)c)7/2

3)b)7/10

I hope it will help you.

Answered by jiya9614
37

Answer:

c

b

hope it helps you friends

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