1.
Avinash's age = 5 years, Avinash's mother's age = 30 years
2.
Kaif's age = 10 years, Sabiha's age = 20 years
3.
l=275 ,b=100
4.
4 is not a solution
5.
36
6.
6-6/8 cm
7.
200
8.
4
9.
72
10.
Granddaughter's age = 6 years , Grandfather's age = 60
11.
5 years
12.
Azlan's age = 60 years, Azlan's son's age = 20 years
13.
144 , 148 ,152
14.
1=80,2=60,5=20
15.
220 ,242 and 264
16.
Rs 50 =6 ,Rs 20 = 10 and Rs 10 = 9
17.
Asfaq's age = 17, Asfaq's father's age = 46, Asfaq's grand mother's age =72
18.
88 and 220
19.
48
20.
L=52 B=25
