Which of the following is not a linear equation in one variable?
33z+5
33(x+y)
33x+5
33y+5
The solution of 2x-3=7 is:
5
7
12
11
3.
9/2
4/9
-⅖
-5/2
The solution of y/5 = 10 is:
10
15
50
5
What should be added to -7/3 to get 3/7?
21/58
58/21
47/21
50/21
The perimeter of rectangle is 20cm. If the length of rectangle is 6cm, then its breadth will be:
4 cm
6 cm
10 cm
14 cm
The age of father is three times the age of son. If the age of son is 15 years old, then the age of father is:
50 years
55 years
40 years
45 years
The difference between two whole numbers is 66. The ratio of the two numbers is 2 : 5. The two numbers are:
60 and 6
100 and 33
110 and 44
99 and 33
Three consecutive integers add up to 51. The integers are:
16,17,18
15,16,17
17,18,19
18,19,20
The solution for 3m = 5m – (8/5) is:
8/5
⅘
5/4
4/3
The solution of the equation 2x -3 = 7 is ——–
5
10
20
None
Sum of two numbers is 74. One of the numbers is 10 more than the other. Then the numbers are —- and ———–
30, 40
32, 42
34, 44
None
If half of half of a number is 20, then the number is ———
60
40
80
None
The highest power of the variable appearing in a linear equation is ————
1
2
3
None
Which of the following is not a linear equation in one variable?
4x + 5 =0
2x + 3y = 5
y=0
None
The solution of 3y +2 = 2y +8 is ———–
4
6
8
None
The value of the variable for which the equation is satisfied is called the ————— of the equation.
Solution
Transposition
Identity
None
Taking away 5 from x gives 9 is ————–
x -5 =9
x- 9 = 5
5 –x =9
None
In an equation there is always an ———sign.
Inequality
Equality
Not equal to
None
The sum of three times of a number and 6 is 30. Then the number is ———
8
10
12
None
The value of ‘x’ in 3x – 4 = 7 is
1
11/3
3/11
7/12
On solving x/2 + 5/3 = -1/2, we get x =
-13/3
-3/13
13/3
3/13
In 15/4 – 7x = 9, x=
4/3
3/4
4/4
-3/4
Sum of two numbers is 84. One of the numbers is 20 more than the other. The smaller number is
12
22
32
42
What should be added to thrice the rational number -5/2 to get 2/7?
107/5
5/107
14/109
109/14
The perimeter of a rectangle is 30cm. If its breadth is 3cm then its length is
4.5cm
5cm
5.5cm
6cm
The present age of Sonu is 1/3rd of his father’s present age. After 4 years the sum of their ages will be 60 years. The present age of Sonu is
11 years
12 years
13 years
14 years
Salim has 4 times as many one rupees coins as he has five rupees coins. If he has a total of 81 rupees then the denomination of one rupee coin he has
30
36
42
46
The sum of three consecutive multiple of 9 is 81. The smallest number is
9
18
27
36
The difference between two numbers is 44. The ratio of these numbers is 3:5. The smaller number is
22
44
66
88
The solution of 4x + 5/2 = 1/2x – 7 is
x = -19/7
x = -7/19
x = 19/7
x = 7/19
The digits of a two digit number differ by 2. If the digits are interchanged and resulting number is added to original number. We get 88, the original number is
13
24
35
57
Rahul is thrice as old as Sulekha. Four years ago his age was four times Sulekha’s age. The present age of Rahul is
8 years
12 years
24 years
36 years
The value of ‘x’ if (x-5)/3 – (x-3)/5, is
6
8
10
12
On solving (x-1)/(2x+3) = 1/3, x =
2
3
4
5
A linear equation in one variable has:
no solution
only one solution
two solutions
more than two solutions
The highest power of the variable in a linear equation is:
one
2
3
4
The value of x for which the expressions 9x + 4 and 7x + 10 become equal is:
3
6
9
0
What is the product of solutions of the equations 3x + 19 = 29x + 4 and 2x + 3 = 3?
7
3
19
0
The value of x for the equation 3x – 4 = 2x + 1 is:
-3
0
5
1
The perimeter of a rectangle is 60 cm. What is its length if its breadth is 10 cm?
10 cm
15 cm
50 cm
20 cm
Pratap has 3 times as many two rupee coins as he has five rupee coins. He has a total sum of Rs. 77. How many coins of each denomination does he have?