SSC-CPO 2020 Quantitative Aptitude
Practice subject-wise previous year questions
Question 1
Arithmetic
A person travels a distance of 300 km and then returns to the starting point. The time taken by him for the outward journey is 5 hours more than the time taken for the return journey. If he returns at a speed of 10 km / h more than the speed of going, what is the average speed (in km / h) for the entire journey?
A
15B
24C
20D
30Question 2
Arithmetic
In ΔABC, ∠A = 66°. AB and AC are produced to points D and E, respectively. If the bisectors of angle CBD and angle BCE meet at the point O, then ∠BOC is equal to:
A
57°B
93°C
114°D
66°Question 3
Arithmetic
The given bar graph represents the number of boys and girls in five different schools. Study the graph and answer the question that follows. In which school is the percentage of girls the lowest?
A
AB
BC
ED
CQuestion 4
Arithmetic
A single discount equivalent to three successive discounts of 8%, 15% and 12% is:
A
68.816%B
31.184%C
17.5%D
35%Question 5
Arithmetic
A person's salary increased from Rs. 8,100 to Rs. 9,000. What is the percentage increase in his salary?
A
\(6 \frac 1 9 \%\)B
\(11 \frac 1 9 \%\)C
\(9 \frac 1 9 \%\)D
\(13 \frac 7 9 \%\)Question 6
Arithmetic
If a wheel has diameter 42 cm, then how far does the wheel go (in metres) in 12 revolutions? (Take π \(= \frac {22} 7\) )
A
21.45B
15.84C
23.27D
17.64Question 7
Arithmetic
The least number which is exactly divisible by 5, 6, 8, 10 and 12 is:
A
120B
240C
150D
180Question 8
Arithmetic
The given bar graph represents the number of boys and girls in five different schools. Study the graph and answer the question that follows. What is the average number of boys in schools A, B, C, D and E?
A
660B
616C
596D
569Question 9
Arithmetic
The students of a class donated a sum of Rs. 2,209. If each student donated as many rupees as the number of students in the class, then the number of students in the class is:
A
49B
53C
47D
51Question 10
Arithmetic
The given histogram shows the frequency distribution of the speed of cars passing though at a particular spot on a highway. Study the graph and answer the question that follows. The number of cars with speed between 70 km/h and 80 km/h is what percentage more than the number of the cars with speed between 50 km/h and 60 km/h? (correct to one decimal place)
A
29.7%B
15.5%C
22.2%D
28.6%Question 11
Arithmetic
The value of \(\left(5 \frac 1 4 \div \frac 3 7 \rm\;of\;\frac 1 2\right) \div \left(5 \frac 1 9 - 7 \frac 7 8 \div 9 \frac 9 {20}\right) \times \frac {11}{21} - \left(5 \div 2 \rm \;of\;\frac 1 2\right)\) is:
A
\(\frac {35}{24}\)B
0C
-2D
\(\frac {15}{28}\)Question 12
Arithmetic
If x 2 + 8y 2 - 12y - 4xy + 9 = 0, then the value of (7x - 8y) is:
A
12B
9C
21D
5Question 13
Arithmetic
A rectangular lawn whose length is twice of its breadth is extended by having four semi-circular portions on its sides. What is the total cost (in Rs.) of levelling the entire lawn at the rate of Rs. 100 per square metre, if the smaller side of the rectangular lawn is 12 m? (Take π = 3.14)
A
86,540B
78,650C
85,320D
97,625Question 14
Arithmetic
The given pie chart shows the percentage distribution of 450 employees in an organisation. Study the pie chart and answer the question that follows. What is the central angel of the sector representing the number of employees in department A?
A
72°B
108°C
90°D
36°Question 15
Arithmetic
The average weight of a group of 3 people A, B and C is 70 kg. When D joins this group, the average becomes 60 kg, One man E, whose weight is 5 kg more than that of D, replaces A and the average weight of B, C, D, and E now becomes 59 kg. A's weight (in kg) is:
A
40B
50C
59D
39Question 16
Arithmetic
If the difference between the compound interest and simple interest at 17% on a sum of money for 2 years (compounded annually) is Rs. 433.50, then the sum (in Rs.) is:
A
12,000B
20,000C
15,000D
25,000Question 17
Arithmetic
The given bar graph represents the number of boys and girls in five different schools. Study the graph and answer the question that follows. What is the ratio of girls and boys from all the schools taken together?
A
59 : 66B
61 : 59C
59 : 61D
66 : 59Question 18
Arithmetic
A man bought an article and sold it at a gain of 10%. If he had bought the article at 20% less and sold it for Rs. 1,000 more, he would have made a profit of 40%. The cost price of the article (in Rs.) is:
A
60,000B
50,000C
40,000D
25,000Question 19
Arithmetic
The given histogram shows the frequency distribution of the speed of cars passing though at a particular spot on a highway. Study the graph and answer the question that follows. What is the ratio of the number of cars with speed less than 60 km / h to the number of cars with speed more than 80 km / h?
A
7 : 8B
8 : 7C
4 : 5D
5 : 4Question 20
Arithmetic
A and B can do a piece of work in 36 days. B and C can do the same work in 60 days. A and C can do the same work in 45 days. In how many days can A alone complete the same work?
A
120B
90C
45D
60Question 21
Arithmetic
If house tax is paid before the due date, one gets a reduction of 12% on the amount of the bill. By paying the tax before the due date, a person got a reduction of Rs. 2,100. The amount (in Rs.) of house tax was:
A
25,000B
17,500C
18,000D
21,000Question 22
Arithmetic
X can do a work in 3 days, Y does three times the same work in 8 days, and Z does five times the same work in 12 days. If they have to work together for 6 hours in a day, then in how much time can they complete the work?
A
4 hoursB
5 hours 20 minutesC
4 hours 10 minutesD
5 hoursQuestion 23
Arithmetic
The ratio of two numbers is 7 : 13 and their HCF is 8. Their LCM is:
A
728B
872C
628D
782Question 24
Arithmetic
The value of \(\frac {\sin^2 30^\circ + \cos^2 60^\circ - \sec 35^\circ.\sin 55^\circ}{\sec 60^\circ + \rm cosec\;30^\circ}\) is equal to:
A
\(\frac 1 4\)B
\(-\frac 1 4\)C
\(\frac 1 8\)D
\(-\frac 1 8\)Question 25
Arithmetic
ABCD is a cyclic quadrilateral such that AB is a diameter of the circle circumscribing it and ∠ADC = 148°. What is the measure of the ∠BAC?
A
45°B
60°C
58°D
32°