Elitmus Exam Numerical Ability Sequence and Series

Question ... 4dozen apples 36rs and 50 bannanas 60rs what is the ration of apples to bananas

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Elitmus Other Question

There is a circular track of 440 meters. There are three persons Symonds, Harbhajan and Inzmam standing on different points on the track ready to start the race. Symonds and Harbhajan are standing diametrically opposite to each other while Inzmam is midway between them such that Symonds, Inzmam and Harbhajan are standing in clockwise direction. The race started at 10 AM. The speed of Symonds, Harbhajan and Inzmam are respectively 5 m/s, 10 m/s and 8 m/s. At what time would Harbhajan and Inzmam meet for the second time if all of three run in clockwise direction ?
A.
10:06:25 AM
B.
10:04:35 AM
C.
10:03:50 AM
D.
None of these
It is given that n+x and n+y both are perfect square. and x=18 & y=90. How many such number exist for n ?
a) 1
b)3
c) don't know
d)none