instruction:
The task is to generate the correct answer for a given math problem.
question:
Problem: the marks obtained by vijay and amith are in the ratio 8 : 5 and those obtained by amith and abhishek in the ratio of 3 : 2 . the marks obtained by vijay and abhishek are in the ratio of ?
answer:
12 : 5


question:
Problem: find the least number must be subtracted from 105829 so that remaining no . is divisible by 21 ?
answer:
10


question:
Problem: the timing of a college is from 12 p . m to 4.10 p . m . five lectures are held in the given duration and a break of 5 minutes after each lecture is given to the students . find the duration of each lecture .
answer:

46 minutes