Quiz-2

Solution:
Cobbler required = 100 * 20/20
= 100 cobblers
Correct Answer B

Solution:
A’s one-day work = 1/14
B’s one day work =1/18
Work done together = 1/14 + 1/18=8/63
Hence, the number of days = 63/8

Solution:
Minutes = 60 * 12/20
= 36
Correct Answer B

Solution:
Ratio = 7 : 9
Lisa = 15 days
Gita = x
Lisa = 15 * 7 = 105
Gita = 105/9 = 35/3 days
Correct Answer C

Solution:
Two days early = 8 days
Number of workers required = 12 * 10 = x * 8
x = 120/8
= 15
Correct Answer D

Solution:
Children required = 25 * 125 /25
= 125
Correct Answer B

Solution:
Work done by all three = 1/30
Work done by Lalit alone = 1/80
Work done by Shivam and Maya together = 1/30 – 1/80
= 1/48
= 48 hours
Correct Answer B

Solution:
Hours = 36 * 6/18
= 12
Correct Answer C

Solution:
Efforts made by Vicky in one day = 1/15
Efforts made by Shubham in one day = 1/12
If they finish the work together = 1/15 + 1/12
= 1/6
= 6 days
Correct Answer B

Solution:
Work done by Jose in one day = 1/8
Work done by David in one day = 1/4
If they complete the work together = 1/8 + 1/4
= 3/8
= 8/3 days