A dishonest shopkeeper claims to sell 1 kg of rice at the cost price
per kg. He actually uses a weight of 1200 g while purchasing rice,
and a weight of 840 g while selling rice. What is the overall
percentage profit made by the shopkeeper?
(Round off the result to two decimal places.)
a.
42.86%
Correct Answer
b.
41.78%
c.
40.33%
d.
43.44%
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Q2mcq
Five years ago, Rahul was twice as old as his brother. If Rahul is 10
years older than his brother, what is Rahul’s present age?
a.
20 years
b.
30 years
c.
15 years
d.
25 years
Correct Answer
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Q3mcq
Two taps can fill a cistern in 4 hours and 19 hours, respectively. A
third tap can empty it in 19 hours. How long (in hours) will it take to
fill one-fourth of the empty cistern if all the taps are opened
together?
a.
1
Correct Answer
b.
3
c.
2
d.
4
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Q4mcq
Which of the expressions given below has the same value as that of
cos 2 (θ) + sin 2 (θ)?
a.
1 + tan²(θ) + (1- sec²(θ))
Correct Answer
b.
1 + tan²(θ) - (1- sec²(θ))
c.
cosec²(θ) + cot²(θ)
d.
cosec²(θ) + sec²(θ)
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Q5mcq
What least value must be given to n so that the number 5135n2
becomes divisible by 9?
a.
3
b.
5
c.
4
d.
2
Correct Answer
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Q6mcq
Three numbers are in the ratio 3 : 2 : 13, and their LCM is 2574. Their
HCF is:8631
a.
76
b.
43
c.
23
d.
33
Correct Answer
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Q7mcq
A person spends 75% of his income. If his income increases by 20%
and his expenditure increases by 10%, what is the percentage
change in his savings?
a.
50% increase
Correct Answer
b.
40% increase
c.
60% increase
d.
25% increase
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Q8mcq
A daily commuter usually reaches his office on time by driving at a
speed of 40 km/hr. One day, due to traffic, he drives at 30 km/hr and
reaches 20 minutes late. What is the distance to his office?
a.
50 km
b.
30 km
c.
40 km
Correct Answer
d.
60 km
No explanation saved for this question yet.
Q9mcq
What is the mode of the following data?
53, 46, 55, 53, 40, 48, 53, 47, 41, 54, 43, 55, 54, 51, 43, 42, 44, 47
a.
46
b.
48
c.
55
d.
53
Correct Answer
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Q10mcq
The price of a book is increased from ₹200 to ₹220. What is the
percentage increase in the price?
a.
12%
b.
8%
c.
5%
d.
10%
Correct Answer
No explanation saved for this question yet.
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The L.C.M. of two numbers is 210 and their H.C.F. is 3. If the first
number is divided by 3, the quotient is 7 and the remainder is 0. The
second number is:
a.
25
b.
60
c.
30
d.
35
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The price of a laptop was initially $1,200. During a sale, the price was
first reduced by 20%, and then an additional discount of 15% was
applied to the new price. What is the final price of the laptop?
a.
$899
b.
$816
c.
$799
d.
$780
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Three classes have 60, 40, and 50 students respectively. Their
average marks are 65, 72, and 60. What is the average mark of all
150 students combined?
a.
65.2
b.
60
c.
67
d.
70
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A sum of money is invested at a simple interest rate of 8% per
annum. After 3 years, the simple interest earned is ₹1,920. What is
the principal invested?
a.
₹9,000
b.
₹7,500
c.
₹8,000
d.
₹6,000
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A cylindrical pipe has an external radius of 8 cm and an internal
radius of 7 cm. If its length is 20 cm, what is the volume of material
used in the pipe? (Use π = 3.14)
a.
320 cubic cm
b.
201 cubic cm
c.
942 cubic cm
d.
192 cubic cm
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A train A passes a fixed pole in 24 seconds. The same train
completely crosses another train B of length 150 m coming from the
opposite direction in 20 seconds. Train B’s speed is 54 km/h. Find the
length and the speed of train A.
a.
900 m and 135 km/h
b.
500 m and 135 km/h
c.
600 m and 135 km/h
d.
900 m and 134 km/h
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In an educational institute, the ratio of male students to female
students is 4 : 3. The ratio of the same female students to teaching
staff is 8 : 1. Find the ratio of total students (male + female) to
teaching staff.
a.
66 : 7
b.
21 : 2
c.
27 : 1
d.
56 : 3
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Two pipes, A and B, can fill a tank in 20 minutes and 30 minutes,
respectively. A waste pipe C can empty it in 60 minutes. All three are
opened together. After 10 minutes, pipe C is closed. How much total
time will it take to fill the tank?
a.
17 minutes
b.
15 minutes
c.
12 minutes
d.
14 minutes
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