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1. A man whose bowling average is 12.4 takes 6 wickets for 36 runs and there by decrease his average by 0.4. The number Of wickets taken by him before his last match is –

98

89

72

90

2. The average age of 11 players of a cricket team is decreased by 3 months when two of them aged 17 years and 20 years are replaced by two new players. The average age of the new players is -

17 years 1 month 15 days

17 years 3 months

16 years 11 months 3 days

15 years 9 months

3. A polygon has 44 diagonals. The number of sides of the polygon is

9

11

10

12

4. The perimeter of a rhombus is 80 cm and the measure of one of its angle is 60°, then its area will be

100 √3 cm^{2}

200 √3 cm^{2}

50 √3 cm^{2}

150 √3 cm^{2}

5. In a Δ PQR , S and T are mid-points of the sides PQ and PR respectively. U is a point on ST such that SU: UT = 2: 5. If SU = 8 cm, then the length of QR is -

48 cm

56 cm

52 cm

60 cm