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1. Namrata deposited ₹ 8000 which amounted to ₹ 9,200 after 3 years at Simple interest. Had the interest been 2% more, she would get how much?

₹ 9,680

₹ 9,980

₹ 9,860

₹ 1,680

2. AC is the diameter of a circle and a diagonal of the inscribed quadrilateral ABCD whose side AB = 30 m, CD = 10 m, BC = 40 m. Find the area of the quadrilateral.

844.9 m^{2}

494.9 m^{2}

484.9 m^{2}

448.9 m^{2}

3. Kaberi takes twice as much time as Kanti and thrice as much time as Kalpana to finish a piece of work. They together finish the work in one day. Find the time taken by Kanti to finish the work alone.

2 days

3 days

4 days

6 days

4. A and B can do a piece of work in 12 days, B and C in 15 days, C and A in 20 days. How long would A take to do the same work alone?

15 days

12 days

60 days

30 days

5. The cost of papering the walls of a room 15 m long, at the rate of ₹ 0.65 per m^{2}, is ₹ 236.60 and the cost of matting the floor at the ratio of ₹ 0.42 per m^{2} is ₹ 69.30. Find the height of the room.

6 m

8 m

7 m

9 m