সব প্রশ্নে ফিরে যান
Math
A watch gains 7 minutes and 6 seconds every 6 days. if the rate of gain is constant, how much does the watch gain in one day?
A) 1 min 6 sec
B) 1 min 11 sec
সঠিক উত্তর
C) 1 min 16 sec
D) 1 min 21 sec