Table of Contents
Ans. (b)-2
Explanation:
Given
katex is not defined
m = - 2
Ans. (a) -1
Explanation:
katex is not defined
Explanation:
Given the equation is,
4x– 5x – 3 = 0
Compared with ax+ bx + c = 0,
we have,
a = 4, b = – 5, c = – 3
katex is not defined (correct to 2 decimal places) Ans.
Explanation:
Given equation is,
katex is not defined
x = 4·854 and x = – 1·854
∴ x = 4·9 and x = – 1·9 Ans.
Explanation:
Let ABCD be the rectangular garden and CD acts as his house compound wall.
Let Length AB = x m
Breadth BC = y m
According to the question,
xy = 200 ...(i)
x + 2y = 50 ...(ii)
From equation (ii), we get
x = 50 – 2y
Putting the value of x in equation (i), we get
(50 – 2y)y = 200
katex is not defined
⇒ y(y – 20) – 5(y – 20) = 0
⇒ (y – 20)(y – 5) = 0
So, y = 5, 20
When y = 5, then
x = 50 – 2y
x = 50 – 2 × 5 = 40
When y = 20, then
x = 50 – 2y
= 50 – 2 × 20 = 10
So, dimensions of the garden are 10 m and 20 m or 40 m and 5 m. Ans.
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Download NowChapter No. | Chapter Name |
---|---|
Chapter 1 | Goods and Service Tax (GST) |
Chapter 2 | Banking |
Chapter 3 | Shares and Dividends |
Chapter 4 | Linear inequations |
Chapter 5 | Quadratic Equations in one variable |
Chapter 6 | Ratio and proportion |
Chapter 7 | Factorization |
Chapter 8 | Matrices |
Chapter 9 | Arithmetic Progression |
Chapter 10 | Geometric Progression |
Chapter 11 | Coordinate Geometry |
Chapter 12 | Reflection |
Chapter 13 | Similarity |
Chapter 14 | Loci |
Chapter 15 | Circles |
Chapter 16 | Constructions |
Chapter 17 | Mensuration |
Chapter 18 | Trigonometry |
Chapter 19 | Statistics |
Chapter 20 | Probability |
Chapter Wise Important Questions for ICSE Board Class 10 Mathematics |
---|
Goods and Service Tax (GST) |
Banking |
Shares and Dividends |
Linear inequations |
Quadratic Equations in one variable |
Ratio and proportion |
Factorization |
Matrices |
Arithmetic Progression |
Geometric Progression |
Coordinate Geometry |
Reflection |
Similarity |
Loci |
Circles |
Constructions |
Mensuration |
Trigonometry |
Statistics |
Probability |
CBSE Important Questions Class 10
ICSE Important Questions Class 10
CBSE Important Questions Class 10
ICSE Important Questions Class 10