"A train M leaves station X at 5 a.m and reaches station Y at 9 a.m. Another train N le
Channel: Doubtnut
Date: 2020-04-05

"A
 train M leaves station X at 5 a.m and reaches station Y at 9 a.m. Another
 train N leaves station Y at 7 a.m. and reaches station X at 10.30 a.m. At
 what time do the two trains cross each other? 
`7. 36\ adotmdot`
b. `7. 56\ adotmdot`
c. `8. 36\ adotmdot`
d. `8. 56\ adotmdot`"