## Selina Concise Class 6 Math Chapter 31 Data Handling Exercise 31B Solution

Selina Concise Class 6 Math Chapter 31 Data Handling Exercise 31B Solution EXERCISE 31B

## Selina Concise Class 6 Math Chapter 31 Data Handling Exercise 31A Solution

Selina Concise Class 6 Math Chapter 31 Data Handling Exercise 31A Solution EXERCISE 31A (1) (i) The highest marks scored = 85 (ii) The lowest marks scored = 22 (iii) The range of marks = (85 – 22) = 63 (3) (i) Data: Each number collected for giving required information is called data. (ii)  Frequency […]

## Selina Concise Class 6 Math Chapter 30 Perimeter And Area Of Plane Figures Exercise 30B Solution

Selina Concise Class 6 Math Chapter 30 Perimeter And Area Of Plane Figures Exercise 30B Solution EXERCISE 30B (1) (i) Area = (15 × 6.4) cm2 = 96 cm2 (ii) Area = (8.5 × 5) m2 = 42.5 m2 (iii) Breadth = 90 cm = 0.9 m Area = (3.6 × 0.9) m2 = 3.24 […]

## Selina Concise Class 6 Math Chapter 30 Perimeter And Area Of Plane Figures Exercise 30A Solution

Selina Concise Class 6 Math Chapter 30 Perimeter And Area Of Plane Figures Exercise 30A Solution EXERCISE 30A (1) Any geometrical plane figure bounded by lines in a plane is called a plane closed figure. (2) No. The interior of the figure along with its boundary is called region of the figure.

## Selina Concise Class 6 Math Chapter 27 The Circle Exercise 27A Solution

Selina Concise Class 6 Math Chapter 27 The Circle Exercise 27A Solution EXERCISE 27A (1) Use the figure given alongside to fill in the blanks: (i) R is the centre of the circle. (ii) Diameter of a circle is PQ. (iii) Tangent to a circle is AB. (iv) EF is a secant of the circle. […]

## Selina Concise Class 6 Math Chapter 26 Polygons Exercise 26B Solution

Selina Concise Class 6 Math Chapter 26 Polygons Exercise 26B Solution EXERCISE 26B (1) Fill in the blanks: Hence, it is not possible to have a regular polygon. (6) Let the interior angle be 2x and exterior angle be xo. Then, x + 2x = 180 ⇒ 3x = 180 ⇒ x = 60 (i) […]

## Selina Concise Class 6 Math Chapter 26 Polygons Exercise 26A Solution

Selina Concise Class 6 Math Chapter 26 Polygons Exercise 26A Solution EXERCISE 26A (1) State, which of the following are polygons: Ans: (ii) and (iii) (2) Find the sum of interior angles of a polygon with: (i) 9 sides: (2n – 4) × 90o = [(2 × 9) – 4] × 90o = (18 – […]

## Selina Concise Class 6 Math Chapter 25 Quadrilateral Exercise 25B Solution

Selina Concise Class 6 Math Chapter 25 Quadrilateral Exercise 25B Solution EXERCISE 25B (1) ∠A + ∠B = 180o ⇒ 78o + ∠B = 180o ⇒ ∠B = 180o – 78o = 102o ∠C + ∠D = 180o ⇒ 120o + ∠D = 180o ⇒ ∠D = 180o – 120o = 60o (2) ∵ AB […]

## Selina Concise Class 6 Math Chapter 25 Quadrilateral Exercise 25A Solution

Selina Concise Class 6 Math Chapter 25 Quadrilateral Exercise 25A Solution EXERCISE 25A (1) Let the other equal angles measure be xo and xo. We know that, sum of four angle of a quadrilateral = 360o. Then, x + x + 89 + 113 = 360 ⇒ 2x + 202 = 360 ⇒ 2x = […]

## Selina Concise Class 6 Math Chapter 23 Properties Of Angles And Lines Exercise 23D Solution

Selina Concise Class 6 Math Chapter 23 Properties Of Angles And Lines Exercise 23D Solution EXERCISE 23D (1) Draw a line segment OA = 5 cm. Use set-squares to construct angle AOB = 60o such that OB = 3 cm. Join A and B; then measure the length of AB. (2) Draw a line segment […]