Gradient of the straight line y = 2x + 1 is:
0
1
-1
2
The diameter of a copper sphere is 6 cm. The sphere is meted and is drawn into a long wire of uniform circular cross - section. If the length of the wire is 36 cm, find its radius.
1 cm
1. 5 cm
2 cm
3 cm
Equation of the straight line passes through (1,1) and (4, 7) is:
y = 2x + 1
y = 2 x - 1
y = x + 2
y = x - 2
Volume of cylinder with radius 3 cm and height 7 cm is:
51π cm3
55π cm3
63π cm3
70π cm3
Calculate x from the following figure. tan 58° = 1.6
12 cm
15.3 cm
19.2 cm
20 cm
The y - intercept of the straight line y = -x is:
Solve 2x + y = 12 and 2x - y = 8.
x = 1, y = 2
x = 5, y = 1
x = 5, y = 2
x = 2, y = 5
Spherical ball of diameter 21 cm is melted and recasted into cubes, each of side 1 cm. Find the number of cubes thus formed.
4800
5800
4851
5851
Volume of hollow hemispherical shell of radii R and r is equal to:
2/3 π r3
4/3 π R3
2/3 π (R3 - r3)
4/3 π (R3-r3)
Sin230o + cos260o =
1/2
1/3
√3/2
