SSC-CPO 2020 Quantitative Aptitude

Practice subject-wise previous year questions

Question 201
Arithmetic

Let Δ ABC ∼ Δ RPQ and  \(\frac{{ar(\Delta ABC)}}{{ar(\Delta RPQ)}} = \frac{4}{9}\) . If AB = 3 cm, BC = 4 cm and AC = 5 cm, then RP (in cm) is equal to:

A
4.5 cm
B
12 cm 
C
5 cm
D
6 cm
Question 202
Arithmetic

A person's salary has increased from Rs. 7,000 to Rs. 12,000. What is the percentage increase in his salary?

A
\(61 \frac{1}{7}\) %
B
\(76 \frac{4}{7}\) %
C
\(69 \frac{1}{7}\) %
D
\(71 \frac{3}{7}\) %
Question 203
Arithmetic

A and B can do a piece of work in 25 days. B alone can do \(66 \frac{2}{3}\) % of the same work in 30 days. In how many days can A alone do (4/15) part of same work?

A
12
B
18
C
20
D
15
Question 204
Arithmetic

If x 2 + 8y 2 + 12y - 4xy + 9 = 0, then the value of (7x + 8y) is:

A
9
B
-33
C
-9
D
33
Question 205
Arithmetic

The two parallel sides of a trapezium are 17 cm and 15 cm, respectively. If the height of the trapezium is 6 cm, then its area (in m 2 ) is:

A
0.96 m 2
B
0.0096 m 2
C
9.6 m 2
D
960 m 2
Question 206
Arithmetic

If x 2 – 3x + 1 = 0, then the value of \((x^4 + \frac{1}{x^2}) \div (x^2+1)\)  is:

A
9
B
5
C
6
D
7
Question 207
Arithmetic

If six - digit number 5x2y6z is divisible by 7, 11 and 13, then the value of (x – y + 3z) is:

A
9
B
0
C
7
D
4
Question 208
Arithmetic

If the annual rate of simple interest increases from 11% to \(17 \frac{1}{2}\) %, then a person's yearly income increases by Rs. 1,071.20. The simple interest (in Rs.) on the same sum at 10% for 5 years is:

A
9,120
B
8,240
C
16,480
D
7,250
Question 209
Arithmetic

If the difference between the compounded interest and simple interest at 17% on a sum of money for 2 years (compounded annually) is Rs. 433.50, then compound interest (in Rs.) is:

A
Rs. 5,533.50
B
Rs. 2,735.50
C
Rs. 5,100
D
Rs. 2,500
Question 210
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 area (in m 2 ) of the lawn of the smaller side of the rectangle is 12 m? (Take π = 3.14)

A
548.32
B
444
C
853.2
D
308.64
Question 211
Arithmetic

The given bar graph represents the number of boys and girls in five different schools. Read the graph and answer the question that follows. What is the average number of students (girls and boys) in schools A, B, C, D and E?

A
596
B
1250
C
625
D
660
Question 212
Arithmetic

In ΔABC, AB and AC are produced to points D and E, respectively. If the bisectors of ∠CBD and ∠BCE meet at the point O, and ∠BOC = 57°, then ∠A is equal to:

A
66° 
B
93°
C
114°
D
57°
Question 213
Arithmetic

A single discount equivalent to three successive discounts of 6%, 15% and 14% is:

A
34.357%
B
17.5%
C
68.714%
D
31.286%
Question 214
Arithmetic

If x + y + z = 17, xyz = 171 and xy + yz + zx = 111, then the value of \(\sqrt[3]{{(x^3+y^3+z^3+xyz)}}\)  is:

A
0
B
-4
C
4
D
-64
Question 215
Arithmetic

The given bar graph represents the number of boys and girls in five different schools. read the graph and answer the question that follows. What is the ratio of the girls from schools A, B and C taken together to the boys from all schools taken together?

A
59 : 66
B
33 : 17
C
66 : 59
D
17 : 33
Question 216
Arithmetic

A solid sphere of radius 11 cm is melted and recast into small solid spheres of radius 2 cm each. How many maximum number (in integer) of such spheres can be made?

A
125
B
166
C
100
D
30
Question 217
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. E's 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. What is the average weight (in kg) of A, D and E? (Correct to the nearest integer)

A
40
B
35
C
39
D
30
Question 218
Arithmetic

A solid metallic cube of side 9 cm and a solid metallic cuboid having dimensions 5 cm, 13 cm, 31 cm are melted to from a single cube. How much (in Rs.) is the cost to polish the new cube at a rate of Rs. 10 per cm 2 ?

A
8,650
B
11,760
C
13,620
D
27,440
Question 219
Arithmetic

The least number which is exactly divisible by 4, 5, 8, 10 and 12 is:

A
120
B
150
C
180
D
240
Question 220
Arithmetic

The given pie chart shows the percentage distribution of 450 employees in an organization. Read the pie chart and answer the question that follows. If 75% of the employees in department D are males, how many female employees are there in that department?

A
9
B
36
C
27
D
18
Question 221
Arithmetic

The value of \(\frac{0.325 \ \times \ 0.325\ + \ 0.175 \ \times\ 0.175\ + \ 25\ \times \ 0.00455}{5 \ \times \ 0.0065 \ \times \ 3.25\ - \ 7\ \times \ 0.175\ \times\ 0.025}\ + \ \frac{0.5}{1.5}\)  is:

A
0
B
\(\frac{7}{3}\)
C
3
D
\(\frac{11}{3}\)
Question 222
Arithmetic

If the average price of three chairs is Rs. 14,014 and their prices are in the ratio of 3 : 4 : 7, then the highest price (in Rs.) of chair is:

A
15,015
B
3,003
C
9,009
D
21,021
Question 223
Arithmetic

The remainder when 72 × 73 × 78 × 76 is divided by 35 is: 

A
12
B
22
C
8
D
15
Question 224
Arithmetic

The value of \(\frac{{{{\sin }^2}30^\circ + {{\cos }^2}60^\circ + sec45^\circ .sin45^\circ }}{{sec60^\circ + cosec30^\circ }}\)  is:

A
\(\frac{1}{4}\)
B
\(\frac{3}{8}\)
C
\(-\frac{1}{4}\)
D
\(-\frac{3}{8}\)
Question 225
Arithmetic

The given histogram shows the frequency distribution of the speed of cars passing through a particular spot on a highway. Read the graph and answer the following questions. The number of cars with speed (km/h) in the interval (60 - 70) km/h is what percentage less than the number of cars with speed (km/h) in the interval (70 - 80) km/h? (correct to one decimal place)

A
5.6%
B
8.6%
C
7.5%
D
5.9%