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1. If a car travelled at 3/4th of its original speed, it took 20 mins longer. How much time did it take in total?.

60 minutes

80 minutes

100 minutes

120 minutes

2. Find the length of the chord of a circle of radius 5 cm and at a distance of 3 m from the centre of the circle?

4

6

8

10

3. If I is the in centre of ∆ ABC and ㄥ BIC = 135°. Find ㄥ BAC.

90°

60°

30°

120°

4. If a^{2} + b^{2} + c^{2} = 2(a – b – c) – 3, then find the value of (a – b + c).

–1

3

1

-2

5. What must be added to 2003 × 2001 to make it a perfect square?

2001

2002

101