421.
A sum of money becomes five times its original value in 15 years when invested at a certain simple interest rate. If the sum
was invested twice the time at the same rate of interest, what would be the final amount?
(A)
The money becomes 7 times its original value
(B)
The money becomes 9 times its original value
(C)
The money becomes 6 times its original value
(D)
The money becomes 8 times its original value
422.
Study the given graph carefully and answer the question that follows.
On the bases of this multiple bar graph, What is the change in the number of Literature books from the year 2020 to the year
2023.
(A)
1000 more
(B)
2000 less
(C)
No change
(D)
2000 more
423.
Find the altitude (in cm) of side MT of triangle MNT with side MN = 36 cm, MT = 36 cm and NT = 48 cm.
(A)
(B)
(C)
(D)
424.
In a triangle ABC, P and Q are two points on AB and AC, respectively, such that PQ parallel to BC. If AC = 5QC, then the ratio
PQ : BC is equal to:
(A)
3 : 4
(B)
5 : 4
(C)
4 : 5
(D)
4 : 3
425.
A solid metallic cylinder of base radius 6 cm and height 10 cm is melted to form small cylinders, each of height 2.5 cm and
base radius 2 cm. Find the number of small cylinders.
(A)
32
(B)
36
(C)
80
(D)
360
426.
R and S can finish a work in 10 days, S and T can finish it in 12 days and T and R can finish in 8 days. In how many days will
the work be finished if they all work simultaneously?
(A)
(B)
(C)
(D)
427.
R can finish a work in 6 days if he works 10 hours a day. S can finish it in 5 days if he works 8 hours a day. If both start a
work and work daily for 6 hours, the work will be finished in _____ days.
(A)
3
(B)
4
(C)
5
(D)
6
428.
At an election involving two candidates, 68 votes are declared invalid. The winning candidate gets 52% of the valid votes
and wins by 98 votes. The total number of votes polled is:
(A)
2475
(B)
2518
(C)
2500
(D)
2250
429.
The centres of two circles are 84 cm apart. If the radii of these two circles are 38 cm and 26 cm, respectively, then which of
the following options gives the length (in cm) of a direct common tangent of these two circles?
(A)
(B)
(C)
(D)
430.
8 apples and 10 oranges weigh 5 kg. 12 apples and 20 oranges weigh 9 kg. What is the weight (in kg, rounded off to the
nearest integer) of 15 apples and 24 oranges?