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Each question consists of five statements following by options consisting of three statements put together in a specific order. Choose the option which indicates a valid argument, that is, where the third statement is a conclusion drawn from the preceding two statements. A.Some towns in Bangladesh are polluted .B.All polluted towns should be destroyed.C.Town Dhaka should be destroyed.D.Town Dhaka is polluted.E.Some towns in Bangladesh should be destroyed
A BDE
B BAE
C ADE
D CDB
A. some towns in Bangladesh are polluted B. All polluted towns should be destroyed C. Town Dhaka should be destroyed D. Town Dhaka is polluted E. Some towns in Bangladesh should be destroyed
A BDE
B BAE
C ADE
D CDB
A,B,C,D,E,G and I are seven friends who study in three different standards namely 5th, 6th and 7th such that not less than two friends study in the same standard. Each friend also has a different favorite subject namely History, Civics, English, Bangla, Science , Maths , and Economics but not necessarily in the same order. A likes Maths and studies in the 5th standard with only one other friend who likes Bangla. I studies with tow other friends . Both the friends who study with I like languages (Here languages include only Science , English and Bangla ) . D studies in the 6th standard with only one person and does not like Civics . E studies with only one friend . The one who likes history does not study in 5th or 6th standard . E does not like languages. C does not like English , Science or Civics. Which combination represents E's favorite subject and the standard in which he studies?
A Civics and 7th
B Economics and 5th
C Civics and 6th
D History and 7th
The horizontal angle between the true meridian and magnetic meridian at a place is called
A azimuth
B declination
C local attraction
D magnetic bearing
The hour angle of the heavenly body for Greenwich meridian equals the hour angle of the body for any other meridian + longitude:
A Mean sun
B True sun
C Vernal equinox
D All the above
Towns A and C are connected by a straight highway which is 60 miles long. The straight-line distance between town A and town B is 50 miles, and the straight-line distance from town B to town C is 50 miles. How many miles is it from town B to the point on the highway connecting towns A and C which is closest to town B?
A 30
B 40
C 50
D 60
Towns A and C are connected by straight highway which is 60 miles long. The straight-line distance between town A and town B is 50 miles, and the straight-line distance from town B to town C is 50 miles. How many miles is it from town B to the point on the highway connecting towns A and C which is closest to town B?
A 30
B 40
C 50
D 60
On a certain map, 12 inch represents 75 miles. It the distance between two towns on this map is 214 inches, what is the actual distance between the two towns?
A 15 miles
B 162 miles
C 337.5 miles
D 375 miles
When it is noon IST at Allahabad in India, the time at Greenwich, London, will be
A midnight, GMT
B 1730 hours
C 0630 hours
D None of the above
Of the following list of numbers, which has the greatest standard deviation?
A 1, 2, 3
B 6, 8, 10
C 2, 4, 6
D 4, 7, 10

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