1. The next number of the sequence 3, 5, 9, 17, 33 ...... is

50

60

65

49

2. If a : b = c : d = e : f = 1 : 2, then (pa + qc + re) : (pb + qd + rf) is equal to —

1 : 2

2: 3

p: (a + b)

(p + q) : c

3. A common factor of (137 + 117) and (135 + 115) is –

24

135 + 115

132 + 112

None of these

4. What number should be subtracted from both terms of the ratio 13 : 15 in order to make it 3 : 4?

7

9

6

5

5. The area (in sq. cm) of the largest circle that can be drawn inside a square of side 28 cm, is -

17248

784

8624

616

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