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Aptitude
50
W Q-13
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Multi Choice Type Question
Marks : 1 Negative Marks : 0
A and B can do a piece of work in 12 days, B
and C in 15 days and C and A in 20 days. In
how many days will they(A,B,C) finish it
together?
10 days
12 days
8 days
16 days
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Answer 1

Answer:

ماشاءاللہ جزاك اللهُ‎سبحان اللهالحَمْدُ ِلله ان شاء اللہأَسْتَغْفِرُ اللّٰه﷽الله أكبرﷻمُحَمَّد ﷺبے شکاَلسَلامُ عَلَيْكُم وَرَحْمَةُ اَللهِ وَبَرَكاتُهُ‎وَعَلَيْكُم السَّلَام وَرَحْمَةُ اَللهِ وَبَرَكاتُهُ‎الله حافظاللہ نگہبان في أمان اللهآمین

Answer 2

Answer:

10 days

Step-by-step explanation:

A and B can do a piece of work one day -1/12

B and C can do a piece of work one day-1/15

C and A can do a piece of work one day-1/20

A, B and C can do a piece of work - 10 day