1. The area of a triangle is 48 m ^ 2. If its base is 16 m and its other two sides are equal to each other, then its other sides are
(A) 10 m
(B) 12 m
(C) 14 m
(D) 16 m
2. The area of a trapezium formed by increasing one longer side of a rectangle and joining it with opposite side is 42 cm ^ 2. If the sides of rectangle are 4 cm and 9 cm respectively, then the length is increased by
(A) 3 cm
(B) 4 cm
(C) 5 cm
(D) None of these
3. The perimeter of a face of cube is 20 cm. It's volume is
(A) 115 cm ^ 3
(B) 120 cm ^ 3
(C) 125 cm ^ 3
(D) 110 cm ^ 3
4. The volume of two spheres are in ratio 27: 8 the difference of their surface area, if the sum of their radii is 10 cm is
(A) 120 π cm ^ 2
(B) 12.5 π cm ^ 2
(C) 80 π cm ^ 2
(D) 125 π ^ 2 cm ^ 2
5. The radii of two right circular cones are in the ratio 4: 5 and heights are in the ratio 5: 6. The ratio of their volume is
(A) 8: 13
(B) 8: 17
(C) 8: 19
(D) 8: 15
6. If 50 ml, of paint is needed for painting a picture of 50 cm × 20 cm. How much paint is needed to paint a picture of dimensions 100 m × 60 m?
(A) 3000 Ltr
(B) 3000 ml
(C) 300 ml
(D) 300 Ltr
Answers Key
1. (a)
2. (a)
3. (b)
4. (c)
5. (d)
6. (d)
7. (d)
8. (d)
9. (b)
10. (b)
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