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A zookeeper counted the heads of the animals in a zoo and found it to be 80. When he counted the legs of the animals he found it to be260. If the zoo had either pigeons or horses, how many horses were there in the zoo?

1. A 30
2. B 40
3. C 50
4. D 60

In a shipment of 120 machine parts, 5 percent were defective. In a shipment of 80 machine parts, 10 percent were defective. For the two shipments combined what percent of the machine parts were defective?

1. A 6.5%
2. B 7%
3. C 7.5%
4. D 8.0%

In a group of 15, 7 have studied Latin, 8 have studied Greek and 3 have not studied either. How many of these studied both Latin and Greek?

1. A 0
2. B 3
3. C 4
4. D 5

In a random survey 25 out of 150 people were able to give a correct answer to the question asked. If 500 people are surveyed about how many would be expected to answer the question correctly?

1. A 20
2. B 325
3. C 4
4. D 83

In a class of 120 students, 70 percent can speak Bengali and the rest can speak only English. If 25 percent of those in the class who can speak English can also speak Bengali, how many of the students in the class can Bengali?

1. A 48
2. B 57
3. C 60
4. D 84

In a class of 120 students, 60 percent can speak English and the rest can speak only Bengali. If 25 percent of those in the class who can speak English can also speak Bengali, how many of the students in the class can Bengali?

1. A 54
2. B 60
3. C 66
4. D 84

In a group of 15 high school students, 7 study Latin, 8 study French and 3 study nither Latin nor French. How many students study both Latin and French?

1. A 0
2. B 15
3. C 3
4. D 4

In a class of 50 students, 10 did not opt for math, 15 did not opt for science and 2 did not opt for either. How many students of the class opted for both math and science?

1. A 23
2. B 25
3. C 27
4. D 37