Question 1 : <img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1cc8ef59b460d7261ed9c.PNG' />
In the above figure, a table is shown. Determine if x and y are in direct proportion or not.
Question 2 :
Both x and y are said to vary ______ with each other if for some positive number k, xy = k.
Question 3 :
The students of Anju’s class sold posters to raise money. Anju wanted to create a ratio for finding the amount of money her class would make for different numbers of posters sold. She knew they could raise Rs 250 for every 60 posters sold. How much money would Anju’s class make for selling 102 posters?
Question 4 : <img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1cca1f59b460d7261edb3.PNG' />
In the above figure, a key board of a harmonium is given. Find the ratio of white keys to black keys on the keyboard.
Question 5 :
By travelling at a speed of 48 kilometres per hour, a car can finish a certain journey in 10 hours. To cover the same distance in 8 hours, the speed of the car should be
Question 6 : <img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1cc95f59b460d7261eda5.PNG' />
In the above figure, a table is shown. If a and b vary inversely to each other, then find the value of l.
Question 7 :
Speed and time are in ____________ proportion to each other if distance remains the same.
Question 8 : <img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1cc94f59b460d7261eda4.PNG' />
In the above figure, a table is shown. If a and b vary inversely to each other, then find the value of z.
Question 9 :
Side of a rhombus and its perimeter are in ______ proportion.
Question 10 :
Length of a side of a square and its area vary directly with each other. True or false ?
Question 13 :
If a = – 1, b = 2, then find the value of $a^b+b^{a}$
Question 19 :
Simplify and write the answer in the exponential form. $\frac{1}{8} \times 3^{−3}$
Question 21 :
Find the area of a rhombus whose side is 5 cm and whose altitude is 4.8 cm, if one of its diagonals is 8 cm long.
Question 22 :
The line segment in cylinders joining the center of circular faces is perpendicular to the base. Such cylinders are known as ......... circular cylinders
Question 23 : <img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1cecaf59b460d7261f0a5.png' />
In the above image, area of the figure is ?
Question 24 :
A flooring tile has the shape of a parallelogram whose base is 24 cm and the corresponding height is 10 cm. How many such tiles are required to cover a floor of area $1080 m^2$ ? (If required you can split the tiles in whatever way you want to fill up the corners).
Question 25 : <img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1ceccf59b460d7261f0a7.png' />
In the above image, area of the figure is ?
Question 26 :
A milk tank is in the form of cylinder whose radius is 1.5 m and length is 7 m. What is the quantity of milk in litres that can be stored in the tank?
Question 27 : <img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1cec6f59b460d7261f09f.jpg' />
In the above image, identify the shape.
Question 28 :
Diameter of cylinder A is 7 cm and its height is 14 cm. Diameter of cylinder B is 14 cm and its height is 7 m. Without doing any calculations can you suggest whose volume is greater?
Question 29 : <img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1cef4f59b460d7261f0e0.png' />
In the above image, top surface of a raised platform is in the shape of a regular octagon as shown. The area of the octagonal surface is ?
Question 30 : <img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1ced8f59b460d7261f0b9.png' />
In the above image, the area of this quadrilateral is ?
