1801.
With a uniform speed, a car covers a distance in 16 hours. Had the speed been increased by 20 km/h, the same distance
would have been covered in 12 hours. The total distance covered by the car is:
(A)
720 km
(B)
1080 km
(C)
960 km
(D)
480 km
1802.
Chords AB and CD of a circle, when produced, meet at a point P outside the circle. If AB = 6 cm, CD = 3 cm and PD = 5 cm,
then PB is equal to:
(A)
9 cm
(B)
8 cm
(C)
4 cm
(D)
6 cm
1803.
An article is of size 9 cm × 6 cm × 3 cm. The number of such articles that can be packed in a box measuring 63 cm × 42 cm ×
21 cm is:
(A)
343
(B)
243
(C)
49
(D)
196
1804.
A cuboid with dimensions 20cm, 12cm, and 10 cm is cut into 8 identical pieces by 3 cuts. What will be the total surface area
of all the pieces?
(A)
(B)
(C)
(D)
1805.
Ratna buys 10 kg of rice for ₹88 per kg and another 20 kg of rice for ₹187 per kg. What is the per kg cost (in ₹) of the total
mixture of rice for her?
(A)
148
(B)
150
(C)
158
(D)
154
1806.
In an election there were three candidates. The first candidate got 40% votes and second candidate got 35% votes. If the
total votes in the election are 50,000, find the number of votes got by the third candidate.
(A)
12000
(B)
1250
(C)
12500
(D)
13,500
1807.
The curved surface area of a right circular cone is 20π cm2. If its radius is 4 cm, then find the volume of cone.
(A)
18 π cm3
(B)
21 π cm3
(C)
20 π cm3
(D)
16 π cm3
1808.
The length (in cm) of a direct common tangent to two circles of radii 14 cm and 5 cm whose centres are separated by a
distance of 40 cm is:
(A)
(B)
(C)
(D)
1809.
When 12 is subtracted from a number, it reduces to its 40%. Two-fifth of that number is:
(A)
20
(B)
12
(C)
8
(D)
50
1810.
A cube of edge 4 cm is cut into cubes each of edge of 2 cm. The ratio of the total surface area of one of the small cubes to
that of the large cube is equal to:
