Maths Olympiad
Exam
Logical Reasoning
42:56::110:?
Read Solution (Total 1)
(56 x 110) / 42 =146.66666666667
9 years ago
Helpfull: Yes(0) No(1)
Maths Olympiad Other Question
A man hijacks an aeroplane transporting both passengers(8 of them) and valuable cargo. After taking the cargo, the man demands nine parachutes, puts one of them on, and jumps, leaving the other eight behind. Why did he want eight?
the number of ways of selecting 10 balls out of an unlimited number of white, red, blue and green is
(A) 270
(B)84
(C)286
(D)86