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 cmB
12 cm C
5 cmD
6 cmQuestion 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
12B
18C
20D
15Question 204
Arithmetic
If x 2 + 8y 2 + 12y - 4xy + 9 = 0, then the value of (7x + 8y) is:
A
9B
-33C
-9D
33Question 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 2B
0.0096 m 2C
9.6 m 2D
960 m 2Question 206
Arithmetic
If x 2 – 3x + 1 = 0, then the value of \((x^4 + \frac{1}{x^2}) \div (x^2+1)\) is:
A
9B
5C
6D
7Question 207
Arithmetic
If six - digit number 5x2y6z is divisible by 7, 11 and 13, then the value of (x – y + 3z) is:
A
9B
0C
7D
4Question 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
9,120B
8,240C
16,480D
7,250Question 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. 5,533.50B
Rs. 2,735.50C
Rs. 5,100D
Rs. 2,500Question 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
548.32B
444C
853.2D
308.64Question 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
596B
1250C
625D
660Question 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
0B
-4C
4D
-64Question 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 : 66B
33 : 17C
66 : 59D
17 : 33Question 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
125B
166C
100D
30Question 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
40B
35C
39D
30Question 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
8,650B
11,760C
13,620D
27,440Question 219
Arithmetic
The least number which is exactly divisible by 4, 5, 8, 10 and 12 is:
A
120B
150C
180D
240Question 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
9B
36C
27D
18Question 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
0B
\(\frac{7}{3}\)C
3D
\(\frac{11}{3}\)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
15,015B
3,003C
9,009D
21,021Question 223
Arithmetic
The remainder when 72 × 73 × 78 × 76 is divided by 35 is:
A
12B
22C
8D
15Question 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%