MEDIUM
8th ICSE
IMPORTANT
Earn 100

If the angles of a triangle are in the ratio 5: 6: 7, find the angles.

Important Questions on Linear Equations and Inequalities in One Variable

MEDIUM
8th ICSE
IMPORTANT
ICSE Understanding Mathematics Class 8>Chapter 12 - Linear Equations and Inequalities in One Variable>Exercise>Q 23
Two equal sides of an isosceles triangle are 3x-1 and 2x+2 units. The third side is 2x units. Find x and the perimeter of the triangle.
MEDIUM
8th ICSE
IMPORTANT
ICSE Understanding Mathematics Class 8>Chapter 12 - Linear Equations and Inequalities in One Variable>Exercise>Q 24
If each side of a triangle is increased by 4cm, the ratio of the perimeters of the new triangle and the given triangle is 7: 5. Find the perimeter of the given triangle.
MEDIUM
8th ICSE
IMPORTANT
ICSE Understanding Mathematics Class 8>Chapter 12 - Linear Equations and Inequalities in One Variable>Exercise>Q 25
The length of a rectangle is 5cm less than twice its breadth. If the length is decreased by 3cm and breadth increased by 2cm, the perimeter of the resulting rectangle is 72cm. Find the area of the original rectangle.
MEDIUM
8th ICSE
IMPORTANT
ICSE Understanding Mathematics Class 8>Chapter 12 - Linear Equations and Inequalities in One Variable>Exercise>Q 26
A rectangle is 10cm long and 8cm wide. When each side of the rectangle is increased by xcm, its perimeter is doubled. Find the equation in x and hence find the area of the new rectangle.
MEDIUM
8th ICSE
IMPORTANT
ICSE Understanding Mathematics Class 8>Chapter 12 - Linear Equations and Inequalities in One Variable>Exercise>Q 27
A streamer travels 90 km downstream in the same time as it takes to travel 60 km upstream. If the speed of the stream is 5 km/h, find the speed of the streamer in still water in km/h
HARD
8th ICSE
IMPORTANT
ICSE Understanding Mathematics Class 8>Chapter 12 - Linear Equations and Inequalities in One Variable>Exercise>Q 28
A streamer goes downstream and covers the distance between two ports in 5 hours while it covers the same distance upstream in 6 hours. If the speed of the stream is 1km/h, find the speed of the streamer in still water and the distance between two ports.
MEDIUM
8th ICSE
IMPORTANT
ICSE Understanding Mathematics Class 8>Chapter 12 - Linear Equations and Inequalities in One Variable>Exercise>Q 29
Distance between two places A and B is 350km. Two cars start simultaneously from A and B towards each other and the distance between them after 4 hours is 62km. If speed of one car is 8km/h less than the speed of other car, find the speed of each car.
MEDIUM
8th ICSE
IMPORTANT
ICSE Understanding Mathematics Class 8>Chapter 12 - Linear Equations and Inequalities in One Variable>Exercise>Q 1

If the replacement set ={-7,-5,-3,-1,0,1,3}, find the solution set of x>-2.