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CBSE Class 7  >  Class 7 Test  >  Mathematics Olympiad   >   Olympiad Test: Linear Equations In One Variable - 2 - Class 7 MCQ

Olympiad Test: Linear Equations In One Variable - 2 - Free MCQ with solutions


MCQ Practice Test & Solutions: Olympiad Test: Linear Equations In One Variable - 2 (10 Questions)

You can prepare effectively for Class 7 Mathematics Olympiad Class 7 with this dedicated MCQ Practice Test (available with solutions) on the important topic of " Olympiad Test: Linear Equations In One Variable - 2". These 10 questions have been designed by the experts with the latest curriculum of Class 7 2026, to help you master the concept.

Test Highlights:

  • - Format: Multiple Choice Questions (MCQ)
  • - Duration: 20 minutes
  • - Number of Questions: 10

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Olympiad Test: Linear Equations In One Variable - 2 - Question 1
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The sum of two consecutive even number is 98. What is the smaller number?

Detailed Solution: Question 1

 Let the two consecutive even number be x and x + 2.
∴ x + x +2 = 98
⇒ 2x + 2 = 98
⇒ 2x = 98 –2
⇒ 2x = 96

Olympiad Test: Linear Equations In One Variable - 2 - Question 2
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On adding nine to the twice of a whole number gives 61. What is 5/13  of that whole number?

Detailed Solution: Question 2

Let the whole number be x.
∴ 2x + 9 = 61
⇒ 2x = 61–9
⇒ 2x = 52

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Olympiad Test: Linear Equations In One Variable - 2 - Question 3
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After 12 years Manish will be three times as old as he was 4 years ago. What is his present age?

Detailed Solution: Question 3

Let the present age be x years.
∴ 4 years ago, his age = (x – 4) years.
After 12 years, his age = (x + 12) years.
Hence, x  + 12 = 3(x – 4)
⇒ x + 12 = 3x –12

Olympiad Test: Linear Equations In One Variable - 2 - Question 4
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Niraj is 19 years younger than his cousin after 5 years their age will be in the ratio 2:3. What is the present age of Niraj?

Detailed Solution: Question 4

Let the present age of Niraj be x years.
His cousin’s age = x + 19
After 5 years,

⇒ 3x – 2x = 48 –15
⇒ x = 33

Olympiad Test: Linear Equations In One Variable - 2 - Question 5
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What is the value of p in the given equation 8(2p – 5) – 6(3p – 7) = 1?

Detailed Solution: Question 5

Given 8(2p – 5) – 6(3p – 7) = 1
⇒ 16p – 40 – 18p + 42 = 1
⇒ –2p + 2 = 1
⇒ –2p = 1– 2
⇒ –2p = –1
⇒ p = 1/2

Olympiad Test: Linear Equations In One Variable - 2 - Question 6
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What is the value of y in the given equation 0.6 y  + 0.8 = 0.56y + 2.32?

Detailed Solution: Question 6

Given equation is 
⇒ 0.6 y  + 0.8 = 0.56 y + 2.32 
⇒ 0.6 y –  0.56 y = 2.32 – 0.8
⇒ 0.04 y = 1.52

Olympiad Test: Linear Equations In One Variable - 2 - Question 7
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Two complementary angles are differ by 14°. What is the measure of larger angle?

Detailed Solution: Question 7

Let one angle be x. 
∴ Other angle (larger angle) = (x + 14)
Now,  x  + (x + 14) = 90°
⇒ 2x = 90 – 14
⇒ 2x = 76°

⇒ Larger angle is =  x + 14 = 38+14 = 52°

Therefore, the correct answer is C.

Olympiad Test: Linear Equations In One Variable - 2 - Question 8
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The sum of three consecutive odd numbers is 147. What is the smallest odd number?

Detailed Solution: Question 8

Let the odd numbers are x, x + 2, x + 4.
∴ x + x + 2 + x  + 4 = 147
⇒ 3x + 6 = 147
⇒ 3x = 147 – 6
⇒  3x = 141

Hence, the numbers are 47, 49, 51
∴ Smallest number = 47.

Olympiad Test: Linear Equations In One Variable - 2 - Question 9
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In an isosceles triangle, the vertex angle is thrice of its base angle. What is the measure of vertex angle?

Detailed Solution: Question 9

Let the base angle be x
Vertex angle = 3x.
∴ x + x + 3x = 180°
⇒ 5x = 180°

Vertex angle = 3×36° = 108°

Olympiad Test: Linear Equations In One Variable - 2 - Question 10
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A number is 2/5 times of another number. If their sum is 140, find the larger number.

Detailed Solution: Question 10


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About this Class 7 Practice Test

This test contains 10 MCQs on Olympiad Test: Linear Equations In One Variable - 2 with detailed solutions for each question. It is part of the Mathematics Olympiad Class 7 course on EduRev, designed to align with the current Class 7 syllabus. Each solution explains not just the correct answer but also gives you an understanding of the topic — not just to attempt the question but also help you prepare for the exam with practice.

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If you found this Olympiad Test: Linear Equations In One Variable - 2 MCQ Test helpful, you can further enhance your Class 7 preparation with in-depth courses on EduRev, for all the subjects and topics available in Mathematics Olympiad Class 7 course. The course offers:
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