37. A and B are 20 km apart. A can walk at an average speed
of 4 km/hour and B at 6 km/hr. If they start walking
towards each other at 7 am. when they will meet ?
(a) प्रात: 8.00 बजे
(b) प्रातः 8.30 बजे
(c) प्रात: 9.00 बजे
(d) प्रात: 10.00 बजे
Answers
Answered by
6
Answer:
Correct Answer:
C) 9.00 a.m.
Step-by-step explanation:
Their relative speed in opp. direction
=4+6 = 10 km/hr
Time will be taken to cover 20 km with relative speed 10 km/ hr
Time = 20 km10 km/h = 2 hours
∴Meeting time
= 7am+2hr.
= 9 am
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Answered by
1
Answer:
Correct Answer:
C) 9.00 a.m.
Step-by-step explanation:
Their relative speed in opp. direction
=4+6 = 10 km/hr
Time will be taken to cover 20 km with relative speed 10 km/ hr
Time = 20 km10 km/h = 2 hours
∴Meeting time
= 7am+2hr.
= 9 am
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