Answer:
let Ramu's age be x.
father's age =4x+x=90
5x=90
x=90/5
x= 18 .
therefore ,Ramu's present age is 18
Answer:
Step-by-step explanation:so as to progress gradually and carefully from one stage to the next.
Answer:
3
Step-by-step explanation:
Answer:
6 3/16 in²
Step-by-step explanation:
Area of rectangle = width x length
Given:
width = 2 3/4 in
length = 2 1/4 in
⇒ area = 2 3/4 × 2 1/4 = 11/4 × 9/4 = 99/16 = 6 3/16 in²