1791.
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)
1792.
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
1793.
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)
1794.
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
1795.
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
1796.
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°
1797.
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
1798.
If 42 ÷ 3 + k × 3 – 22 ÷ 11 + 4 = 28, then the value of k is:
(A)
0
(B)
1
(C)
4
(D)
2
1799.
In a triangle PQR, RS intersects PQ at point S. The sides of the triangle QR = 36 cm, SQ = 27 cm, RS = 18 cm and ∠QRS =
∠QPR. What is the ratio of the perimeter of ∆PRS to that of ∆QSR?
(A)
(B)
(C)
(D)
1800.
The centres of two circles of radii 20 cm and 32 cm are 60 cm apart. What is the ratio of the length of the direct common
tangent to the length of the transverse common tangent to these circles?
