8.The present age of Priya is 12 years. The age of Priya’s father is 42 years. Priya’s mother is 6 years younger than her father. Find the ratio of
a) Present age of Priya to her mother’s age
b) the age of Priya to her mother when Priya’s age was 10 years.
c) age of Priya's father to the age of her mother 10 years ago.
9. Express the following as algebraic equations and solve for the unknown. a) Six times a number increased by 7 is 9.Find the number.
b) A number divided by 3 and decreased by 5 is 15. What is the number?
10.Draw any circle and mark
(a) its center
(b) a radius
(c) a diameter
(d) a minor sector
(e) a major segment
(f) an arc.
11.) Subtract the sum of – 1250 and 1138 from the sum of 1136 and – 1272.
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Step-by-step explanation:
8. Priya's present age = 12
Priya's father's age = 42
Age of her mother = 36
A) 12:36
1:3
B) 10:34
5:17
C) 32:26
16:13
9. 6x + 7 =9
6x = 9-7
6x = 2
x = 2/6
x = 1/3
11. (-1250+1138) - (1136-1272)
-248. Ans.
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