The present ages of Trisha and Shalini are in the ratio of 7:6 respectively. After 8 years the ratio of their ages will be 9:8. What is the difference in their ages at present?
Answers
Answer:
Solution
Let present ages of Trisha and Shalini be
7
x
and
6
x
years respectively.
Acc. to ques, ratio of their ages after 8 years
=>
7
x
+
8
6
x
+
8
=
9
8
=>
56
x
+
64
=
54
x
+
72
=>
56
x
−
54
x
=
72
−
64
=>
2
x
=
8
=>
x
=
8
2
=
4
∴
Difference in their ages =
7
x
−
6
x
=
x
= 4 years
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Answer:
Difference = 4
Step-by-step explanation:
Trisha age = 7x Shalini age = 6x
after 8 years
7x +8 : 6x+8 = 9:8
x = 4
Trisha age = 28, shalini age =24
difference in age = 28 -24 = 4