IEO Level 2- English Olympiad (SOF) Class 4 Coaching Programs
β³ π― Online Tests (3 Tests [35 Questions Each]): NTA Pattern, Analytics & Explanations
Click Here to View & Get Complete Material
Rs. 210.00
3 Year Validity (Multiple Devices)
π Study Material (101 Notes): 2024-2025 Syllabus
Click Here to View & Get Complete Material
Rs. 250.00
3 Year Validity (Multiple Devices)
π― 240 MCQs (& PYQs) with Full Explanations (2024-2025 Exam)
Click Here to View & Get Complete Material
Rs. 200.00
3 Year Validity (Multiple Devices)
CBSE Class 10- Mathematics: Chapter β 3 Pair of Linear Equation in Two Variables Part 19
Question 16:
If is added to the numerator of a fraction, it reduces to and if is subtracted from the denominator, it reduces to . Find the fraction.
Answer:
Let the fraction be
According to question,
Or
And
Or
On solving eq. (i) and (ii) , we get,
Question 17:
Solve the following system of equation graphically.
, , also read the points from the graph where the lines meet the axis and y-axis.
Answer:
The straight line (i) meet the axis at
And straight line (ii) meet the axis at
Question 18:
Solve and .
Answer:
On adding eq. (i) and (ii)
Or
On subtracting
On adding (ii) and (iv) we get
i.e.. x = 3
Question 19:
A man has only paise coins and paisea coins in his purse. If he has coins in all totaling Rs . How many coins of each kind does he have?
Answer:
Let the number of coin of
paise be βxβ and
paise be βyβ
According to question
And
Or
Number of paise coin
And number of 25 paise coin