My watch gains 5 seconds in 3 minutes. It was | vedclass

Name: Exam Paper Generator | JEE NEET Paper Generator | Vedclass
Brand: Vedclass
Rating: 5 (35 reviews)

Question

(C) The watch gains $5$ seconds in $3$ minutes. This means in $3$ minutes of true time,the watch shows $3$ minutes and $5$ seconds,which is $3 + \frac

Vedclass · Accepted Answer

$4$ pm

Vedclass · Answer

(C) The watch gains $5$ seconds in $3$ minutes. This means in $3$ minutes of true time,the watch shows $3$ minutes and $5$ seconds,which is $3 + \frac{5}{60} = 3 + \frac{1}{12} = \frac{37}{12}$ minutes.From $7$ am to $4:15$ pm,the total time elapsed on the watch is $9$ hours and $15$ minutes,which is $540 + 15 = 555$ minutes.Since $\frac{37}{12}$ minutes of this watch correspond to $3$ minutes of true time,then $555$ minutes of this watch correspond to $\left( \frac{3}{37/12} 	imes 555 ight) = \left( \frac{36}{37} 	imes 555 ight) = 36 	imes 15 = 540$ minutes of true time.$540$ minutes is equal to $9$ hours.Adding $9$ hours to $7$ am,the true time is $4$ pm.

My watch gains $5$ seconds in $3$ minutes. It was set right at $7$ am. In the afternoon of the same day,when the watch indicates quarter past $4$ o'clock,what is the true time?

Similar Questions

If the hands of a clock coincide every $65$ minutes (true time),how many minutes will the clock gain in $24$ hours?

How many times in a day,are the hands of a clock in a straight line but opposite in direction?

$A$ clock is set right at $5\, am.$ The clock loses $16\, minutes$ in $24\, hours.$ What will be the true time when the clock indicates $10\, pm$ on the $4^{th}$ day?

At what time between $7$ and $8$ o'clock will the hands of a clock be at a right angle?

At what time between $7$ o'clock and $8$ o'clock will the hands of a clock be in the same straight line but,not together?

Vedclass Test Series

Exam Paper Generator

Online Exam Module