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PQR is a right angled triangle in which ∠R = 90°. If RS ⊥ PQ, PR = 3 cm and RQ = 4 cm, then what is the value of RS (in cm)?

12/5
36/5
5
2.5
Additional Questions

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)?

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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.

If Mr. Raghav taught a total of 500 hours, then what is the difference in number of hours of teaching algebra and modern Maths?

Answer

The pie charts below shows the break-up of number of hours of teaching various subjects at an institute by MR.Raghav.

Mr. Raghav taught Geometry for 36 hours. If the time taken in teaching Ratio consitutes one-fourth of the time for Arithmetic, then for how much time (in hours) did he taught the topic of Ratio?

Answer

The pie charts below shows the break-up of number of hours of teaching various subjects at an institute by MR.Raghav.

If Data Interpretation and Modern Maths were taught for a combined time of 96 hours, then for how much time (in hours) were Number system and Geometry taught?

Answer

The pie charts below shows the break-up of number of hours of teaching various subjects at an institute by MR.Raghav.

A new topic named Problem Solving was also introduced and it was decided that 10% time of all topics except Arithmetic will be devoted to it. What will be the central angle (in degrees) made by Problem Solving in the new pie chart?

Answer

English Comprehension

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’.
If you had (1)/ told me earlier (2)/ I will help you. (3)/ No Error (4)

Answer
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