# A and B can do a piece of work in 12 days; B and C in 15 days; C and A in 20 days. A alone can do the work in ?

A. 110 days

B. 50 days

C. 20 days**D. 30 days**

Time and work MCQs with answers for competitive exams. Math MCQs range from basic to advanced levels, providing preparation for tests.

A. 110 days

B. 50 days

C. 20 days**D. 30 days**

A. 20 days**B. 24 days**C. 30 days

D. 25 days

**A. 45 Rs.**B. 40 Rs.

C. 35 Rs.

D. None of them

A. 20 min**B. 5 min**C. 10 min

D. 15 min

A. 12 days

B. 7 days**C. 4 days**D. 6 days

A. 19**B. 13**C. 13

D. 56

A. 2**B. 4**C. 5

D. 9

**A. 7**B. 3

C. 14

D. 56

A. 8 days

B. 20 days**C. 10 days**D. 15 days

**A. 41/4 days**B. 55 days

C. 42/4 days

D. 78 days