2321.
If the areas of three adjacent faces of a cuboid are 5 cm2, 15 cm2, 27 cm2, respectively, the surface area of the cuboid is:
(A)
45 cm2
(B)
75 cm2
(C)
47 cm2
(D)
94 cm2
2322.
Two numbers are, respectively, 30% and 60% more than a third number. The ratio of the two numbers is:
(A)
(B)
(C)
(D)
2323.
A covered wooden box has the inner measures as 128 cm, 90 cm, 25 cm and the thickness of wood is 5.5 cm. Find the
volume of the wood.
(A)
(B)
(C)
(D)
2324.
In an election between two candidates, 10% of the voters did not cast their votes and 5% of the votes polled were found
invalid. The successful candidate got 52.5% of the valid votes and won by a majority of 1710 votes. The number of voters
enrolled on the voters list was:
(A)
36000
(B)
40000
(C)
42000
(D)
48000
2325.
A bigger circle centre at O and a smaller circle centre at P touch each other externally such that the length of their common
tangent LM is 12 cm. If the radius of the bigger circle is 18 cm, then what will be the radius (in cm) of the smaller circle?
(A)
4
(B)
3
(C)
2
(D)
1
2326.
Find the length of the sides of a triangle, if its angles are in the ratio 2 : 4 : 6 and its circumradius is 12 cm.
(A)
(B)
(C)
(D)
2327.
A cylinder has a curved surface area equal to 350% of the curved surface area of another cylinder. If their radii are in the
ratio 3 : 1, then the volume of the smaller cylinder is approximately _____% of the larger cylinder (the smaller cylinder has
its radius and height smaller when compared to the larger).
(A)
9.52
(B)
8.86
(C)
7.28
(D)
10.16
2328.
If lateral surface area of a cube is 144 cm2, then find its volume.
(A)
216 cm3
(B)
117.58 cm3
(C)
1728 cm3
(D)
864 cm3
2329.
A natural number n divides 732 and leaves 12 as a remainder. How many values of n are possible?
(A)
18
(B)
20
(C)
16
(D)
22
2330.
If 6428A83 is divisible by 9, then the value of A is equal to :
