Simple Equations Test

Result

Simple Equations Test - 7

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Weekly Quiz Competition

Question 1
1 / -0

There are some lotus flowers in a pond and some bees are hovering around. If one bee lands on each flower, one bee will be left. If two bees land on each flower, one flower will be left. Then, the number of flowers and bees respectively are ____.

A
3, 4

B
4, 3

C
2, 3

D
3, 2
Question 2
1 / -0

What is the value of 'x' in 3x−1/5 - 1+x/2 =3− x−1/2?

A
5

B
-7

C
7

D
-5

Solution

3x−1/5−1+x/2+x−1/2=3⇒6x=42⇒x=7
Question 3
1 / -0

Ramesh got 5 marks more than Sonu in a test. If the total marks secured by them is 15, how many marks did Ramesh get?

A
25

B
5

C
15

D
10

Solution

Let the marks of Sonu be x. Then Ramesh's marks
x=5
. Total marks = 15
⇒
2x+5=15⇒x=5∴
Marks got by Ramesh
=x+5=10
Question 4
1 / -0

Select the INCORRECT statement.

A
In an equation, to maintain the balance or equality, any number added to one side must also be added to the other side.

B
Anything subtracted from one side of an equation must also be subtracted from the other side.

C
If one side of an equation is multiplied by a number, the other side must also be multiplied by the same number.

D
If one side of an equation is divided by a number, the other side must also be multiplied by the same number.
Question 5
1 / -0

The present age of A is twice that of B. 30 years from now, age of A will be 1 1/2times that of B. Find the present ages (in years) of A and B respectively.

A
60,30

B
30,60

C
40,50

D
50,40

Solution

Let the present ages of A and B be 2xyears and x years. After 30 years, their ages will be A=(2x+30)years B=(x+30)years So, 2x+30=11/2(x+30)⇒x=30∴Present age of
B=30years ⇒Present age of A=2×30=60years
Question 6
1 / -0

The sum of five times a number and 13 is 48. What is the number?

A
3

B
5

C
7

D
9

Solution

Let the number be 'x? Given 5x+13=48⇒x=7

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Simple Equations Test - 7

Result

Simple Equations Test - 7

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SHARING IS CARING

Question 1

3, 4

4, 3

2, 3

3, 2

Question 2

5

-7

7

-5

Solution

Question 3

25

5

15

10

Solution

Question 4

In an equation, to maintain the balance or equality, any number added to one side must also be added to the other side.

Anything subtracted from one side of an equation must also be subtracted from the other side.

If one side of an equation is multiplied by a number, the other side must also be multiplied by the same number.

If one side of an equation is divided by a number, the other side must also be multiplied by the same number.

Question 5

60,30

30,60

40,50

50,40

Solution

Question 6

3

5

7

9

Solution

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