(a) 2100 cm³
(b) 2500 cm³
(c) 1225 ⅗ cm³
(d) 1437 ⅓ cm³
Q2. The internal radius of a hemispherical bowl is 6 cm long. What will be its normal surface area? (Take π = 3.14)
(b) 226.08 cm²
(c) 289.75 cm²
(d) 225 cm²
Q3. The length of the parallel sides of a trapezium is 15 cm and 20 cm is long. If its area is 175 cm², what is its height?
(b) 20 cm
(c) 25 cm
(d) 10 cm
Q4. The external circumference of a running track is 528 m. The track is 14 m wide uniformly. The cost of making the track at the rate of Rs. 10 per sq. meter is ?
(b) Rs 66,760
(c) Rs 67,760
(d) Rs 77,660
Q8. In ∆ABC, ∠B = 60° and ∠C = 40°, AD is the bisector of ∠A and AE ⊥ BC. Then the measure of ∠EAD is?
(b) 11°
(c) 9°
(d) 10°
Q9. In ∆ABC . AB = BC = K, AC √2 K, then ∆ABC is ?
(b) Right triangle
(c) Right Isosceles triangle
(d) Equilateral triangle
Q11. The distance between the centres of two circles with radius 3 cm and 8 cm is 13 cm. If the point of contacts of the common tangent be P and Q then the length of PQ is?
(b) 12 cm
(c) 11.9 cm
(d) 11.58 cm
Q12. Two circles with radii 5 cm and 3 cm contact each other externally. In what ratio the common tangent will intersect the line segment joining the centres externally?
(b) 2.5 : 1.2
(c) 1.5 : 2.5
(d) 5 : 3
