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Unformatted text preview: tangles are tangential to the circles . Two friends , A and B, s tart jogging
s im ultaneous ly from the point where one of the circular tracks touches the s m aller s ide of the rectangular track.
A jogs along the rectangular track, while B jogs along the two circular tracks in a figure of eight. Approxim ately,
how m uch fas ter than A does B have to run, s o that they take the s am e tim e to return to their s tarting point?
a . 3 .8 8 %
b . 4 .2 2 %
c. 4 .4 4 %
d . 4 .7 2 %
e .No t Atte mp te d This
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Use r Sta ts 5. In a ches s com petition involving s om e boys and girls of a s chool, every s tudent had to play exactly one gam e
with every other s tudent. It was found that in 45 gam es both the players were girls , and in 190 gam es both were Who's ne w boys . The num ber of gam es in which one player was a boy and the other was a girl is M os t a c tiv e
us e rs Who z
a . 200
b . 216
c. 2 3 5 aoacqr...
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- Summer '14