In triangle PQR, A is the point of intersection of all the altitudes and B is the point of intersection of all the angle bisectors of the triangle. If ∠PBR = 105°, then what is the value of ∠PAR (in degrees)?
If there are four lines in a plane, then what cannot be the number of points of intersection of these lines? |
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What is the simplified value of cosec 2A + cot 2A? |
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If A = 30°, B = 60° and C = 135°, then what is the value of sin3A + cos3B + tan3C – 3sin A cos B tan C? |
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What is the least value of tan2 θ + cot2 θ + sin2 θ + cos2 θ + sec2 θ + cosec2 θ? |
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The pie charts below shows the break-up of number of hours of teaching various subjects at an institute by MR.Raghav. |
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The pie charts below shows the break-up of number of hours of teaching various subjects at an institute by MR.Raghav. |
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The pie charts below shows the break-up of number of hours of teaching various subjects at an institute by MR.Raghav. |
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The pie charts below shows the break-up of number of hours of teaching various subjects at an institute by MR.Raghav. |
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English Comprehension |
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In the following question, some part of the sentence may have errors. Find out which part of the sentence has an error and select the appropriate option. If a sentence is free from error, select ‘No error’. |
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