exam Maths Puzzle Numerical Ability

a girl is 2/3 older than her sister. In 6 years, she will be 4/5 older and in 15 years it will be 7/8. Both girls are under 10 years old. what are their ages?

Read Solution (Total 1)

x=2/3y
x+6=4/5(y+6)
by solving it
x=6 & y=9 both are under 10 years old.
9 years agoHelpfull: Yes(0) No(0)

exam Other Question

A bookseller sells a book at a profit of 10%. If he had bought it at 4% less and sold it for 60 paisa more, he would have gained 18 ¾ %. What does it cost to the bookseller? (a) Rs.11 (b) Rs. 4 (c) Rs. 10 (d) Rs. 15 Use FOIL to multiply
(6x � 1)(3x � 4)