**Directions (1-4): Study the bar diagram and answer questions based on it.**

**Persons killed in industrial accidents**

**Person killed in coal mines**

**Q1. The number of persons killed in coal mines in 2006 was what percent of those killed in industrial accidents in that year?**

(a) 4

(b) 25

(c) 36

(d) 300

**Q2. In which year, minimum number of persons killed in industrial accidents and coal mines together?**

(a) 2006

(b) 2007

(c) 2008

(d) 2009

**Q3. In which year, maximum number of persons were killed in industrial accidents other than those killed in coal mines?**

(a) 2006

(b) 2007

(c) 2008

(d) 2009

**Q4. In which year, minimum number of persons were killed in coal mines other than those killed in industrial accidents?**

(a) 2006

(b) 2007

(c) 2008

(d) 2009

**Q5. In the figure given below, the perimeter of the circle is 220 cm. What is the area of the shaded portion in cm^2?**

(a) 2542(7/9)

(b) 2584(1/3)

(c) 2447(1/9)

(d) 2352(7/9)

**Q6. If the incentre of an equilateral triangle lies inside the triangle and its radius is 3 cm, then the side of the equilateral triangle is :**

(a)9√3 cm

(b) 6√3 cm

(c)3√3 cm

(d) 6 cm

**Q7. D is a point on the side BC of a triangle ABC such that AD⊥BC.E is a point on AD for which AE : ED = 5 : 1. If ∠BAD=30° and tan (∠ACB)= 6 tan (∠DBE), then find ∠ACB.**

(a) 30 °

(b) 45 °

(c) 60 °

(d) 15°

**Q8. The tangents drawn at P and Q on the circumference of a circle intersect at A. If ∠PAQ=68°, then the measure of the ∠APQ is**

(a) 56°

(b) 68°

(c) 28°

(d) 34°

**Q9. The external bisector of ****∠****ABC of ∆ABC intersects the straight line through A and parallel to BC at the point D. If ∠ABC=50°, then measure of ∠ADB is :**

(a) 65°

(b) 55°

(c) 40°

(d) 20°

**Q10. AB is a diameter of a circle with centre at O. DC is a chord of it such that DC || AB. If ∠BAC=20°, then ∠ADC is equal to**

(a) 120°

(b) 110°

(c) 115°

(d) 100°

**Q11. Suppose ∆ABC be a right-angled triangle where ∠A=90° and AD⊥BC. If Area (∆ABC) = 40 cm2, Area (∆ACD)= 10 cm^2 and AC = 9 cm, then the length of BC is : **

(a) 12 cm

(b) 18 cm

(c) 4 cm

(d) 6 cm

**Q12. Two circles touch each other externally at P. AB is a direct common tangent to the two circles, A and B are points of contact and ∠PAB=35°. Then ∠ABP is :**

(a) 35°

(b) 55°

(c) 65°

(d) 75°

**Q13. X and Y are centres of circles of radii 9 cm and 2 cm respectively, XY = 17 cm. Z is the centre of a circle of radius r cm which touches the above circles externally. Given that ∠XZY=90°, the value of r is:**

(a) 13 cm

(b) 6 cm

(c) 9 cm

(d) 8 cm

**Q14. I is the incentre of a triangle ABC. If ∠ABC=65° and ∠ACB=55°, then the value of ∠BIC is :**

(a) 130°

(b) 120°

(c) 140°

(d) 110°

**Q15. The angle of a triangle are in Arithmetic Progression. The ratio of the least angle in degrees to the number of radians in the greatest angle is 60∶π. The angles in degrees are :**

(a) 30°, 60°, 90°

(b) 35°, 55°, 90°

(c) 40°, 50°, 90°

(d) 40°, 55°, 85°

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