Question

pls solve this I will mark u in brainlist

Answer 1

(4x + 5x + 6x)÷3 = 15
5x = 15
x = 15 ÷ 5
x = 3
Ages are 12, 15 and 18

Answer 2

Age of Vijay:4x
Age of Rahul:5x
Age of Rakhi:6x

ATQ
$(4x + 5x + 6x) \div 3= 15$
$15x \div 3 = 15$
$x = 3$
Hence
Age of Vijay:12 yrs
Age of Rahul:15 yrs
Age of Rakhi:18 yrs


Hope it helps!
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