Question

Pls answer ........... ​

Answer 1

at 7:50 because after 10 min it will be 7:40 after more 10 min both clock's will ring as it is 7:50

explenation:

10 min from 7:30= 7:40. after more 10 min 7:40=7:50

20 min from 7:30 =7:50

thats my understanding

Answer 2

they will ring together at 7:50 am

Explanation:

then again at 8:10,8:30,8:50 ect