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A Ferris wheel (or a big wheel in the United Kingdom) is an amusement ride consisting of a rotating upright wheel with multiple passenger-carrying components (commonly referred to as passenger cars, cabins, tubs, capsules, gondolas, or pods)

attached to the rim in such a way that as the wheel turns, they are kept upright, usually by gravity. After taking a ride in Ferris wheel, Aarti came out from the crowd and was observing her friends who were enjoying the ride . She was curious about the different angles

and measures that the wheel will form. She forms the figure as given below.

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Question 1
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In the given figure find ∠ROQ

(a) 60

(b) 100

(c) 150

(d) 90

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Question 2
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Find ∠RQP

(a) 75

(b) 60

(c) 30

(d) 90

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Question 3
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Find ∠RSQ

(a) 60

(b) 75

(c) 100

(d) 30

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Question 4
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Find ∠ORP

(a) 90

(b) 70

(c) 100

(d) 60