Question 1 :
A car takes 2 hours to reach a destination by travelling at the speed of 60 km/h. How long will it take when the car travels at the speed of 80 km/h?

Question 2 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1ce89f59b460d7261f049.PNG' /> In the above image, given that Rehman is making a wheel using spokes. He wants to fix equal spokes in such a way that the angles between any pair of consecutive spokes are equal. Help him by completing the following table given in the fig. above. What will be the angle between a pair of consecutive spokes if there are 10 spokes in the wheel.

Question 3 :
If a box of sweets is divided among 24 children, they will get 5 sweets each. How many would each get, if the number of the children is reduced by 4?

Question 4 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1ce83f59b460d7261f03f.PNG' /> In the above image, given that a mixture of paint is prepared by mixing 1 part of red pigments with 8 parts of base. In the above table, find the parts of base that need to be added for 12 parts of red pigment.

Question 5 :
Two persons could fit new windows in a house in 3 days. How many persons would be needed to fit the windows in one day?

Question 6 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1ce79f59b460d7261f031.PNG' /> In the above image, given that an electric pole, 14 metres high, casts a shadow of 10 metres. Use the table given in the above fig. to find the height of a tree (x) that casts a shadow of 15 metres under similar conditions.

Question 7 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1ce8af59b460d7261f04a.PNG' /> In the above image, given that Rehman is making a wheel using spokes. He wants to fix equal spokes in such a way that the angles between any pair of consecutive spokes are equal. Help him by completing the following table given in the fig. above. What will be the angle between a pair of consecutive spokes if there are 12 spokes in the wheel.

Question 8 :
A photograph of a bacteria enlarged 50,000 times attains a length of 5 cm. If the photograph is enlarged 20,000 times only, what would be its enlarged length?

Question 9 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1ce76f59b460d7261f02c.PNG' /> In the above image, find whether x and y are directly proportional.

Question 10 :
A 5 m 60 cm high vertical pole casts a shadow 3 m 20cm long. Find at the same time the length of the shadow cast by another pole 10 m 50 cm high.

Question 11 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1ce6ff59b460d7261f023.PNG' /> According to the above table, suppose a car uses 4 litres of petrol to travel a distance of 60 km. How far will it travel using 15 litres?

Question 12 :
A factory requires 42 machines to produce a given number of articles in 63 days. How many machines would be required to produce the same number of articles in 54 days ?

Question 13 :
Rashmi has a road map with a scale of 1 cm representing 18 km. She drives on a road for 72 km. What would be her distance covered in the map?

Question 14 :
A car travels a distance of 225 km in 25 litres of petrol. How many litres of petrol will be required to cover a distance of 540 kilometres by this car?

Question 15 :
In a hostel of 50 girls, there are food provisions for 40 days. If 30 more girls join the hostel, how long will these provisions last?

Question 16 :
Amrita takes 18 hours to travel 720 kilometres. Time taken by her to travel 360 kilometres is _______.

Question 17 :
If 5 persons can finish a job in 10 days then one person will finish it in 2 days. True or false ?

Question 22 :
If the exponent of a negative integeris even then the result is a ............ integer.

Question 30 :
Choose the correct answer from the given four options:<br>The usual form of $5.658 \times 10^5$ is<br><br>

Question 35 :
Standard form of $900000000 + 800000 + 50000 + 3000 + 20 + 3$ is<br/>

Question 40 :
If $2^{3x - 2} = 16$, then calculate the value of $x $.