301.
If ‘÷’ means ‘×’, ‘×’ means ‘÷’, ‘+’ means ‘−’, ‘−’ means ‘+’, then 47 ÷ (10 × 5) + (4 − 5) − 6 is:
(A)
(B)
(C)
(D)
302.
Two chords AB and CD of a circle are produced to intersect each other at a point P outside the circle. If AB = 7 cm, BP = 4.2
cm and PD = 2.8 cm, then the length of CD is:
(A)
11 cm
(B)
18 cm
(C)
16 cm
(D)
14 cm
303.
Two numbers are respectively 61% and 35% less than a third number. The first number is what percentage of the second
number?
(A)
24%
(B)
48%
(C)
30%
(D)
60%
304.
A number is divisible by 11 if and only if the difference of the sum of the digits in the even and odd positions in the number
is:
(A)
0
(B)
1
(C)
0 or multiple of 11
(D)
11
305.
In an election between two candidates, 15% of the votes were invalid and one candidate got 52% of the total valid votes. If
the total number of votes was 8000, what was the number of valid votes that the other candidate got?
(A)
3264
(B)
3536
(C)
3840
(D)
6800
306.
If the surface area of the sphere is 616 cm2, then the radius of the sphere is equal to:
(A)
18.0cm
(B)
14.0cm
(C)
7.0cm
(D)
3.5cm
307.
The details of books of 6 subjects on the first floor of the college library are given in the following table.
The ratio of Maths and Computers to Circuit Theory and Graph Theory is:
(A)
1 : 3
(B)
2 : 1
(C)
3 : 1
(D)
2 : 3
308.
For what value of k (k > 0) will the lines 5x + ky − 2 = 0 and (k + 1)x + 4y + 7 = 0 be parallel?
(A)
4
(B)
3
(C)
2
(D)
5
309.
If the surface areas of two spheres are in the ratio of 49 : 81, then find the ratio of their volumes.
(A)
(B)
(C)
(D)
310.
Two numbers are, respectively, 30% and 40% more than the third number. The ratio of the second number to the first
number is:
