Linear Equations_CBSE

A number is multiplied by 5 and then decreased by 3, resulting in 22. What is the number?

• 4

• 7

• 5

• 6

If 3 times a number plus 7 equals 28, what is the number?

• 10

• 12

• 5

• 7

A rectangle's length is twice its width. If the perimeter is 36 cm, what are the dimensions of the rectangle?

• Width: 6 cm, Length: 12 cm

• Width: 7 cm, Length: 14 cm

• Width: 4 cm, Length: 8 cm

• Width: 5 cm, Length: 10 cm

The sum of three consecutive integers is 72. What are the integers?

• 22, 23, 24

• 25, 26, 27

• 20, 21, 22

• 23, 24, 25

A car travels at a speed of 60 km/h. How far will it travel in t hours? Write the equation and find the distance for t = 3.

• 180 km

• 120 km

• 240 km

• 90 km

If a book costs x dollars and you buy 4 books, spending a total of 60 dollars, what is the cost of one book?

• 20

• 10

• 15

• 25

A school has a total of 500 students. If the number of boys is 200 more than the number of girls, how many boys and girls are there?

• Boys: 350, Girls: 150

• Boys: 300, Girls: 200

• Boys: 400, Girls: 100

• Boys: 250, Girls: 250

The total cost of 5 pens and 3 notebooks is 50 rupees. If each pen costs 5 rupees, how much does each notebook cost?

• 10 rupees

• 6 rupees

• 8.33 rupees

• 5 rupees

If a train leaves the station at 2 PM and travels at a speed of 80 km/h, what time will it arrive at a station 240 km away?

• 3 PM

• 5 PM

• 6 PM

• 4 PM

A farmer has chickens and cows. If there are 30 animals in total and the number of cows is twice the number of chickens, how many of each animal does he have?

• 10 chickens and 20 cows

• 15 chickens and 15 cows

• 5 chickens and 25 cows

• 12 chickens and 18 cows