1071.
There are 160 multiple choice questions in a test. 4 marks are allotted for a correct answer and 1 mark is deducted for a
wrong answer or un-attempted question from the total score of correct answers. If a candidate scored 400 marks in the test,
how many questions did he answer correctly?
(A)
110
(B)
115
(C)
112
(D)
120
1072.
Riya and Sangeeta can finish a work in 6 days and 8 days, respectively. Riya started the work alone and then after 3 days,
Sangeeta joined Riya. They both finish the remaining work. How long did the total work last?
(A)
(B)
(C)
(D)
1073.
In an engineering college, there are four branches namely Computer Science (CS), Electronics (EC), Civil (CE), and
Mechanical (ME). The respective ratio of the number of students in these branches is 11 : 5 : 6 : 7. What is the percentage of
students belonging to CS and ME branches in the college (correct up to two decimal places)?
(A)
61.07%
(B)
61.37%
(C)
62.07%
(D)
62.37%
1074.
If the radius of a sphere is increased by 12 percent, then the volume will be increased by approximately:
(A)
42.5 percent
(B)
45.49 percent
(C)
40.49 percent
(D)
41.49 percent
1075.
PQ is parallel to SR in a trapezium PQRS. It is given that PQ > SR and the diagonals PR and QS intersect at O. If PO = 3 x −
15, OQ = x + 9, OR = x − 5 and OS = 5 and x has two values x1 and x2, then the value of (x1
2 - x2
2) is:
(A)
15
(B)
11
(C)
19
(D)
13
1076.
AB and AC are two tangents to a circle having centres at the point X. What will be the measure of ∠BAC, if ∠BXC = 125°?
(A)
50°
(B)
48°
(C)
55°
(D)
52°
1077.
12.75% is equivalent to _________.
(A)
(B)
(C)
(D)
1078.
If the perimeter of a square is 64 cm, what would be its area?
(A)
(B)
(C)
(D)
1079.
An amount of ₹50,000 becomes ₹72,000 in 4 years on a simple rate of interest. The rate of interest is _____ per annum.
(A)
9%
(B)
10%
(C)
11%
(D)
12%
1080.
If 6,18, x are sides of a triangle and x is an integer, then the number of possible values of x is:
