exam
Maths Puzzle
Logical Reasoning
Mathematical Reasoning
12 men cam complete a piece of work in 36 days, 18 women can complete the same piece of work in 60 days. 8 men and 20 women work together for 20 days. If only women were to complete the remaining piece of work in 4 day, how many women would be required?
A.
70
B.
28
C.
66
D.
40
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exam Other Question
Pankaj can produce one unit in 15 days, while Bharti can do the same in 12 days. After producing one unit, working together, they received Rs. 90, which they distributed amongst themselves in proportional to their efficiency. If they work for 20 days, and sell the produce, then Bharti should receive
A.
Rs. 120
B.
Rs. 140
C.
Rs. 150
D.
Rs. 160
There are fourteen juniors and twenty-three seniors in the Service Club. The club is to send four representatives to the State Conference.
(i)- How many different ways are there to select a group of four students to attend the conference?
(ii)- If the members of the club decide to send two juniors and two seniors, how many different groupings are possible?
A.
(i): 37C4 , (ii): 14C2×23C2
B.
(i): 37P4 , (ii): 14P2×23P2
C.
(i): 37P4 , (ii): 14C2×23C2
D.
(i): 37C4 , (ii): 14P2×23P2