Question

rani ate 2/7 part of a cake while her brother ravi ate 4/5 of the remaining . part of the cake left is

Answer 1

is the answer 17/35????

Answer 2

let the while cake be x
rani ate = 2x/7
remaining part = x-2x/7 = 5x/7
brother ate = 5x/7*4/5 = 4x/7
total eaten part = 2x/7+4x/7 =6x/7
remaining part = x-6x/7
=x/7
i.e 1/7 part is left.