R-SAT Exam Numerical Ability Percentage

Three seventh of a number is 10 more than the 20% of that number. what will be the 60% of that number?
a)54
b)43.75
c)43.67
d)43.9
e)none

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R-SAT Other Question

A and B can do a piece of work in p days, B and C in q days , A and C in r days and if p Two trains at start at same time from two stations A and B towards B and A with speeds 72kmph and 90kmph respectively. By the time they meet ,one train covers 64 kms more than other train. what is distance between A and B??
a)512km
b)256
c)576
d)cant be determined
e) none