Question

28. A picnic is being planned in a school for CLASS VIII Girls are
60% of the total number of students and are 18 in number. The
ratio of the number of girls to the number of boys in the class is
a) 2:3
b) 3:2
c) 4:5
d) none of these
29. Find the ratio of Speed of a cycle 15 km per hour to the speed
of scooter 30 km per hour.
a) 2:1
b) 1:2
c) 7:5
d) none of these
30.Write an expression : Raju s father s age is 5 years more than
times Raju s age. If Raju s age is x years, then father's age is
a) 3x+5
b) 5-3x
c) 3x-5
d) 15x​

Answer 1

Step-by-step explanation:

Ratio of girls and boys = 3:2

Ratio of the speeds of the cycle and scooter will be = 1:2

Raju's father's age = 3x +5

Answer 2

Step-by-step explanation:

28:3:2

29 1:2

30 15x

try yourself

then

ask on it