Simple Equations Test

Result

Simple Equations Test - 3

Score
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Rank
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Weekly Quiz Competition

Question 1
1 / -0

If the sum of three consecutive numbers is equal to 72. Then, the largest of the numbers is

A
23

B
24

C
25

D
26

Solution

Let the three consecutive numbers be x – 1, x, and x + 1

Sum of the numbers = 72

x – 1 + x + x + 1 = 72

3x = 72

x = 24

x + 1 = 24 + 1 = 25

Therefore, the largest number of numbers is 25.

Hence, C is the correct answer.
Question 2
1 / -0

Which of the following equation have x = 3 as its solution?

A
2(x – 5) = 4

B
2(x – 5) = -4

C
3(x – 4) = 2

D
3(x – 4) = -2

Solution

2(x – 5) = -4

Putting x = 3, we get,

LHS = 2(3 – 5)

= 2(-2)

= -4

= RHS

Hence, B is the correct answer.