Q. The radius of a circle is 13 cm and AB is a chord which is at a distance of 12 cm from the centre. Then the length of the chord is
1) 16 cm
2) 10 cm
3) 8 cm
4) 15 cm
Q. (186 x 270.99) ÷ 40 = ?
1) 1200
2) 1300
3) 1180
4) 1260
Q. 25.05% of 2845 + 14.95 x 2400 = ?
1) 36,700
2) 36,500
3) 35,800
4) 35,600
Q. 2950 ÷ 12.25 + 160 = ?
1) 440
2) 350
3) 360
4) 400
Q. (1702 ÷ 68) * 136.05 = ?
1) 3500
2) 3550
3) 3450
4) 3400
Q. 2959.85 ÷ 16.001 - 34.99 = ?
1) 160
2) 150
3) 140
4) 180
Q. The circumradius of the triangle formed by the straight line 3x + 4y = 12 and the coordinate axes is
1) 5/2
2) 3/2
3) 2
4) 6
Q. The length of a hollow thick cylindrical metallic pipe is 6 cm and its total surface area including the surface at the ends is 98 π sq. cm. If the outer diameter is 8 cm, then the inner diameter in cm is
1) 6.5
2) 7
3) 5
4) 6
Q. An open box is made of wood 3 cm thick. Its external dimensions are 1.36 m, 1.06 m and 8.3 dm. The cost of painting the inner surface of the box at 50 paise per 100 sq. cm. (in Rs.) is
1) 232
2) 246
3) 249
4) 256
Q. Areas of three adjacent faces of rectangular parallelepiped are 12 sq.m., 15 sq.m and 20 sq.m. The volume (in cu.m.) of the parallelepiped is
1) 80
2) 30
3) 40
4) 60
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