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Test: Direct and Inverse Proportion- 1 - Class 8 MCQ


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10 Questions MCQ Test Mental Mathematics for Class 8 - Test: Direct and Inverse Proportion- 1

Test: Direct and Inverse Proportion- 1 for Class 8 2024 is part of Mental Mathematics for Class 8 preparation. The Test: Direct and Inverse Proportion- 1 questions and answers have been prepared according to the Class 8 exam syllabus.The Test: Direct and Inverse Proportion- 1 MCQs are made for Class 8 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Direct and Inverse Proportion- 1 below.
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Test: Direct and Inverse Proportion- 1 - Question 1

Arnav weaves 35 seats of chairs in 7 days. How many days will he take to weave 140 similar seats of chairs?

Detailed Solution for Test: Direct and Inverse Proportion- 1 - Question 1

Solution:

Given:
- Arnav weaves 35 seats of chairs in 7 days.

To Find:
- Number of days Arnav will take to weave 140 similar seats of chairs.

Solution:
- Let's first find out how many seats Arnav weaves in a day:
- Arnav weaves 35 seats in 7 days, so in one day he weaves 35/7 = 5 seats.

- Now, let's find out how many days Arnav will take to weave 140 seats:
- Number of days = Total number of seats / Seats weaved in a day
- Number of days = 140 / 5 = 28 days

Therefore, Arnav will take 28 days to weave 140 similar seats of chairs.

So, the correct answer is D: 28 Days.

Test: Direct and Inverse Proportion- 1 - Question 2

A gun is fixed at a distance of 1.75 km away from a watch point. The watchman hears the sound of the gun fire after 5 seconds. Find the speed at which sound travels.

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Test: Direct and Inverse Proportion- 1 - Question 3

A train 154 m long is running at 60km/hr. It takes 30 seconds to cross a bridge, find the length of the bridge.

Test: Direct and Inverse Proportion- 1 - Question 4

How long will a boy take to run around a square field of side 35m, if he runs at a speed of 9km/hr?

Test: Direct and Inverse Proportion- 1 - Question 5

Two trains 500m and 700m long are going with speeds 70km/hr. and 50km/hr. respectively in opposite direction. How long will it take to pass each other?

Test: Direct and Inverse Proportion- 1 - Question 6

A person cycles at a distance of 64 km. at a speed of 12 km/hr. How much time does he take to cover the distance?

Test: Direct and Inverse Proportion- 1 - Question 7

A Hero Honda motor bike is running at 72km/hr. How much distance will it cover in 5 sec.?

Test: Direct and Inverse Proportion- 1 - Question 8

The speed of a train 200 m long is 50 km per hour. How much time will it take to pass a platform 550m long?

Test: Direct and Inverse Proportion- 1 - Question 9

A train is running at a speed of 18 km/hr. If it crosses a pole in 35 seconds find the length of the train.

Test: Direct and Inverse Proportion- 1 - Question 10

The speed of a car is 90km/hour. What is its speed in m/sec.?

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