801.
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
802.
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
803.
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)
804.
Two numbers are, respectively, 30% and 40% more than the third number. The ratio of the second number to the first
number is:
(A)
26:28
(B)
14:13
(C)
39:42
(D)
13:14
805.
Due to decrease in manpower, the production in a factory decreases by 25%. By what per cent should the working hours be
increased to restore the original production?
(A)
(B)
(C)
(D)
806.
A public library has an average attendance of 410 on Sundays and 230 for the remaining days. The average attendance per
day of a month of 30 days beginning with Sunday would be:
(A)
230
(B)
254
(C)
320
(D)
260
807.
The cost of 21 pencils and 9 pens is ₹276, and the cost of 6 pencils and 3 pens is ₹84. The cost of 1 pencil and 1 pen is:
(A)
₹20
(B)
₹10
(C)
₹40
(D)
₹30
808.
The sides AB and AC of △ABC are produced to points D and E, respectively. The bisectors of ∠CBD and ∠BCE meet at P. If
∠A = 72°, then the measure of ∠P is:
(A)
55°
(B)
65°
(C)
54°
(D)
35°
809.
In an election, a candidate secures 40% of the votes, but is defeated by the only other candidate with a majority of 298 votes.
Find the total number of votes recorded.
(A)
1,470
(B)
1,270
(C)
1,490
(D)
1,290
810.
If 42 ÷ 3 + k × 3 – 22 ÷ 11 + 4 = 28, then the value of k is:
