Latest self Aptitude Question SOLUTION: Twin Sisters A and B bought 2 wristwatches at 12 p.m. An Hour later, A's watch reads 1:02 p.m while B's watch reads 12:56 p.m. Later , on same day : If A's watch reads 10 p.m then

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(#M40020969) SELF question Keep an EYE

Twin Sisters A and B bought 2 wristwatches at 12 p.m. An Hour later, A's watch reads 1:02 p.m while B's watch reads 12:56 p.m. Later , on same day : If A's watch reads 10 p.m then at that time what is the reading on B's Watch?

vikash singh (11 years ago)

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Vaibhav Mishra  (11 years ago)

A & B bought watches at 12 p.m. After 1 hour,
In 1 hour A's watch shows = 2 min more
In 1 hour B's watch shows = 4 min less
for A's watch
60 min. = 120 sec. more
30 min. = 60 sec. more
1 min = 2 sec more
SO when A's watch reads 10:p.m., at that time the correct time would be 9 hours 40 min & 35 seconds
so we need to find the reading of B's watch at above correct time,which i mentioned
For B's watch
60 min = 240 sec. less
1 min = 4 sec. less
so at 9 hour 40 min 35 seconds the B's reading will be 9 hour 1 min & 20 seconds approximately.

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Devendra Marghade  (11 years ago)

9.02 pm.
Actual time will be 9.40 pm, when watch A reads 10 pm.

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