1). A, B and C can do a piece of work in 20, 24 and 30 days, respectively. They undertook to do the piece of work for Rs.5400. They begin the work together but B left 2 days before the completion of work and C left 5 days before the completion of work. The share of A from the assured money is
A). Rs.2700 |
B). Rs.540 |
C). Rs.1800 |
D). Rs.600 |
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2). 4 men and 6 women get Rs.1600 by doing a piece of work in 5 days. 3 men and 7 women get Rs.1740 by doing the same work in 6 days. In how many days, 7 men and 6 women can complete the same work getting Rs.3760?
A). 6 days |
B). 8 days |
C). 10 days |
D). 12 days |
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3). Men, women and children are employed to do a work in the proportion of 3 : 2 : 1 and their wages as 5 : 3 : 2. When 90 men are employed, total daily wages of all amounts to Rs.10350. Find the daily wages of a man.
A). Rs.45 |
B). Rs.57.50 |
C). Rs.115 |
D). Rs.75 |
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4). 2 men and 1 woman can do a piece of work in 14 days. while 4 women and 2 men can do the same work in 8 days. If a man gets Rs.90 per day, what should be the wages per day of a women?
A). Rs.48 |
B). Rs.60 |
C). Rs.72 |
D). Rs.135 |
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5). Two pipes A and B can fill a tank in 18 and 6 h, respectively. If both the pipes are opened simultaneously, how much time will be taken to fill the tank?
A). \( \Large 4\frac{1}2{} \) h |
B). 7 h |
C). 6 h |
D). 10 h |
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6). There are two tanks A and B to fill up a water tank. The tank can be filled in 40 min, if both taps are on. The same tank can be filled in 60 min, if tap A alone is on. How much time will tap alone take, to fill up the same tank?
A). 64 min |
B). 80 min |
C). 96 min |
D). 120 min |
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7). A cistern can be filled up in 4 h by an inlet A. An outlet B can empty the cistern in 8 h. If both A and B are opened simultaneously, then after how much time the cistern get filled?
A). 5 h |
B). 7 h |
C). 8 h |
D). 6 h |
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8). A pipe can fill a tank in 20 h. Due to a leak in the bottom, it is filled in 40 h. If the tank is full, how much time will the leak take to empty it?
A). 40 h |
B). 30 h |
C). 50 h |
D). 30 h |
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9). A pipe can fill a tank in 10 h, while an another pipe can empty it in 6 h. Find the time taken to empty the tank, when both the pipes are opened up simultaneously.
A). 11 h |
B). 15 h |
C). 18 h |
D). 16 h |
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10). Three taps are fitted in a cistern. The empty cistern is filled by the first and the second taps in 3 and 4 h, respectively. The full cistern is emptied by the third tap in 5 h. If all three taps are opened simultaneously, the empty cistern will be filled up in
A). \( \Large 1\frac{14}{23} \) |
B). \( \Large 2\frac{14}{23} \) |
C). 2 h 40 min |
D). 1 h 56 min |
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