Kerala Syllabus SAMAGRA SCERT SAMAGRA Question Pool for Class 9 English Medium Maths Pairs of Equations
a) Three times a number added to another number gives 25.Taking the numbers as x and y form an equation ?
b) Instead of adding if the number is subtracted we get 17. Using this idea and form another equation ?
c) Find the numbers ?
3X + y = 25
3x – y =
a)The sum of two numbers is 40. Taking the numbers as x and y form an equations ?
b)Their difference is 10. Using this idea form another equation?
c)Find the numbers ?
numbers x , y
x + y = 40 x- y = 10
a)The difference between two number is 3.Take the numbers as x and y form an equation?
b)The difference of their squares is 39.Find the numbers?
let the numbers x,y
a)Write a fraction with numerator x and denominator y ?
b) “If its numerator is increased by 6 it became ”
“If its denominator is increased by 7 it became “
Write the equations showing this relations ?
c) Find the fraction ?
a)The hypotenuse of a right angled triangle is 15 cm. Taking the perpendicular sides as x , y write the relation connecting the sides ?
b)If the area is 30 cm² find the length of its perpendicular sides ?
The length of a rectangle is 4 cm more than its breadth and its perimeter is 40 cm.
a) What is length + breadth ?
b) Find length and breadth by forming an equation ?
length = x+
The price of a pen is Rs 5 more than the price of a pencil.
Total price of 3 pencil and 2 pen is Rs 45.
a) Take the price of pencil as x write the price of pen in terms of x ?
b) Find the price of pencil and pen by forming an equation ?
price of pencil = x
price of pen =
a)Taking length as x and breadth as y write the area of the rectangle.
b)If the length is decreased by 1m and breadth is increased by 1m its area get increased by 3 m².Using this idea and form an equation.
c)If the length is increased by 1m and breadth is increased by 2m its area get increased by 19 m².Using this idea form another equation.
d)Find the length and breadth of the rectangle
length = x
breadth = y
Among two numbers one is 4 more than the other . Their sum is 40 .Take the small number as 'x'
i) Write large number in terms of x ?
ii) Find the numbers by forming an equation ?
small number– x
sum = 40
x+( x+4) = 40
2x = 36
x = 18
a) The sum of digits of a two digit number is 9. Take digit in 10 th place as x and the digit in unit place as y form an equation using this idea ?
b) Write the number ?
c) If the digits are interchanged the number so obtained is 27 more than the actual number . Using this idea form an equation ?
d) Find the actual number ?
a) Sabu's age is 7 times his son's age. Take son's age as x and write Sabu's age ?
b) Write their age after 8 years in terms of x ?
c) After 8 years Sabu's age is 3 times his son's age. Write this relation using an equation ?
d) Find their age now ?
son's age = x
sabu's age =
a)Three times a number added to two times another number gives 33 . Taking the numbers as x and y form an equation using this idea ?
b)When three times the second number is subtracted from 4 times the first number got 10. Using this idea form another equation ?
c)Find the numbers ?
let numbers x and y
a)When a 500 rupee note was changed we got 20 rupee notes 50 rupee notes. Taking number of notes as x and y write an equation showing the total sum ?
b)If the total number of notes is 13 form another equation ?
c)Find the number of notes in each category ?
number of 20 rupee notes = x
number of 50 rupee notes = y
20x + 50y