Page 112 - Ganit Kaushal

Sol. (a) Class - 8 has the least no. of girl students.

(b) Number of girls in class 5 = 4 + 4 + 2 = 10 and number of girls in class 6 = 4 + 4 + 4 + 4 = 16
\ Difference = 16 – 10 = 6
(c) If 2 more girls were admitted, then the graph will have 5 full faces in class-2.
(d) Number of girls in class 7 = 4 + 4 + 4 = 12

(e) Number of girls in class 8 = 6 (a full face = 4 girls and a half face = 2 girls)
Ex 6. Mudhol Hounds (a type of breed of Indian dogs) are largely found in North Karnataka’s Bagalkote and
Vijayapura districts. The government took an initiative to protect this breed by providing support to
those who adopted these dogs. Due to this initiative, the number of these dogs increased. The number
of Mudhol dogs in six villages of Karnataka are as follows —
Village A: 18, Village B: 36, Village C: 12, Village D: 48, Village E: 18, Village F: 24

Prepare a pictograph and answer the following questions:
(a) What will be a useful scale or key to draw this pictograph?
(b) How many symbols will you use to represent the dogs in Village B?
(c) Kamini said that the number of dogs in Village B and Village D together will be more than the
number of dogs in the other 4 villages. Is she right? Give reasons for your response. (NCERT)
Sol. Let us first prepare the pictograph as given below:

Village Number of Dogs (1 = 6 Dogs)
A

B
C
D
E
F

(a) Here the useful key is 1 = 6 dogs.
( HCF of 18, 36, 12, 48, 18, 24)

(b) 36 ÷ 6 = 6 symbols will be used to represent dogs in village-B.
(c) Yes; Kamini is right.
 Number of dogs in village B and D = 36 + 48 = 84 and the number of dogs in other 4 villages
= 18 + 12 + 18 + 24 = 72 < 84.
Ex 7. Magan Bhai sells kites at Jamnagar. Six shopkeepers from nearby villages come to purchase kites from
him. The number of kites he sold to these six shopkeepers are given below — (NCERT)
Prepare a pictograph using the kite symbol to represent 50 kites. Shopkeeper Number of kites sold
Answer the following questions: Chaman 250
(a) How many symbols represent the kites that Rani purchased? Rani 300
Rukhsana
100
(b) Who purchased the maximum number of kites? Jasmeet 450
(c) Who purchased more kites, Jasmeet or Chaman? Jetha Lal 250
(d) Rukhsana says Poonam Ben purchased more than double Poonam Ben 700
the number of kites that Rani purchased. Is she correct? Why?

110 Mathematics-6