SSC-CPO 2020 Quantitative Aptitude
Practice subject-wise previous year questions
Question 251
Arithmetic
The value of \(\frac{{{{\sin }^2}{}52^\circ + 2 + {{\sin }^2}{{ }}38^\circ }}{{4{}{{\cos }^2}43^\circ - 5 + 4{{\cos }^2}{{}}47^\circ }}\) is:
A
\(\frac{1}{3}\)B
-3C
3D
\(-\frac{1}{3}\)Question 252
Arithmetic
Chord AB of a circle is produced to a point P, and C is a point on the circle such that PC is a tangent to the circle. If PC = 12 cm, and BP = 10 cm, then the length of AB (in cm) is:
A
4.4B
6C
5D
5.4Question 253
Arithmetic
On the marked price of Rs. 1,250 of an article, three successive discounts of 5%, 15% and 20% are offered. What will be the selling price (in Rs.) after all discounts?
A
807.50B
975.75C
1,000D
950.25Question 254
Arithmetic
The given bar graph shows the sales of cars from six branches of a dealer B1, B2, B3, B4, B5, B6, during two consecutive years 2018 and 2019. Blue colour corresponds to the year 2018 and white shaded line colour corresponds to the year 2019. The average sales of cars (from all branches) for the year 2018 is:
A
85B
80C
90D
78Question 255
Arithmetic
In the following pie chart shows percentage of a country on different heads. The total expenditure is Rs. 1,680 (in billions). Study the chart and answer the question. The central angle of the sector representing expenditure on Subsidy is:
A
75.6°B
108.3°C
90°D
54.9°Question 256
Arithmetic
The following pie chart shows percentage expenditure of a country on different heads. The total expenditure is Rs. 1,680 (in billions). Study the chart and answer the question. The total amount of expenditure for education and Health (in billions Rs.) is:
A
84B
168C
126D
186Question 257
Arithmetic
The value of \(\frac{{4.35 \times 4.35 \times 4.35 + 3.25 \times 3.25 \times 3.25}}{{43.5 \times 43.5 + 32.5 \times 32.5 - 43.5 \times 32.5}}\) is:
A
0.76B
0.0076C
7.6D
0.076Question 258
Arithmetic
If 49% of X = Y, then Y% of 50 is:
A
24.5% of YB
24.5% of XC
40% of YD
50% of XQuestion 259
Arithmetic
Study the given histogram that shows the marks obtained by students in an examination and answer the question that follows. If the total marks obtained by students be represented as a pie chart, then the central angle corresponding to marks 250 or more but less than 300 is: (correct to the nearest degree)
A
88°B
68°C
128°D
188°Question 260
Arithmetic
The perimeter of a right triangle is 60 cm and its hypotenuse is 26 cm. What is the area (in cm 2 ) of the triangle?
A
96 B
60 C
120 D
90 Question 261
Arithmetic
If a 2 + b 2 + c 2 + 84 = 4(a - 2b + 4c), then \(\sqrt {ab - bc + ca} \) is equal to:
A
\(4\sqrt {10} \)B
\(5\sqrt {10} \)C
\(2\sqrt {10} \)D
\(\sqrt {10} \)Question 262
Arithmetic
If a 3 + b 3 = 217 and a + b = 7, then the value of ab is:
A
-1B
6C
-6D
7Question 263
Arithmetic
In ΔABC, D is the median from A to BC. AB = 6 cm, AC = 8 cm, and BC = 10 cm. The length of median AD (in cm) is:
A
3B
4.5C
5D
4Question 264
Arithmetic
The value of \(\frac{2}{3} \div \frac{3}{{10}}of\frac{4}{9} - \frac{4}{5} \times 1\frac{1}{9} \div \frac{8}{{15}} - \frac{3}{4} + \frac{3}{4} \div \frac{1}{2}\) is:
A
\(\frac{17}{{9}}\)B
\(\frac{25}{{6}}\)C
\(\frac{14}{{3}}\)D
\(\frac{49}{{12}}\)Question 265
Arithmetic
The following pie chart shows the percentage expenditure of a country on different heads. The total expenditure is Rs. 1,680 (in billions). Study the chart and answer the question. The amount of expenditure on Defence is what percentage more than the expenditure on Education?
A
150%B
125%C
50%D
100%Question 266
Arithmetic
The HCF of two numbers is 29, and the other two factors of their LCM are 15 and 13. The larger of the two number is:
A
377B
464C
406D
435Question 267
Arithmetic
A can complete some work in 35 days and B can complete the same work in 15 days. They worked together for 8 days, then B left the work. In how many days will A alone complete 60% of the remaining work?
A
5B
8C
10D
15Question 268
Arithmetic
The base of a triangle is equal to the perimeter of a square whose diagonal is \(6\sqrt 2\) cm, and its height is equal to the side of a square whose area is 144 cm 2 . The area of the triangle (in cm 2 ) is:
A
144B
216C
288D
72Question 269
Arithmetic
A ladder is resting against a wall. The angle between the foot of the ladder and wall is 60°, and the foot of the ladder is 3.6 m away from the wall. The length of the ladder (in m) is:
A
5.4B
14.4C
3.6D
7.2Question 270
Arithmetic
If x + y + z = 13, x 2 + y 2 + z 2 = 133 and x 3 + y 3 + z 3 = 847, then the value of \(\sqrt[3]{{xyz}}\) is:
A
-9B
-6C
7D
8Question 271
Arithmetic
PQRS is a cyclic quadrilateral. If ∠P is 4 times ∠R, and ∠S is 3 times ∠Q, then the average of ∠Q and ∠R is:
A
45.7°B
81°C
90°D
40.5°Question 272
Arithmetic
The simple interest on a sum of money at 10% per annum for 2 years is Rs. 8,100. Compounded annually, what would be the compound interest (in Rs.) on the same sum for the same period at the same rate of interest?
A
8,100B
8,505C
8,715D
9,000Question 273
Arithmetic
A boy increases his speed to \(\frac{9}{5}\) times of his original speed. By doing this, he reaches his school 40 minutes before the usual time. How much time (in minutes) does he take usually?
A
120B
30C
45D
90Question 274
Arithmetic
If the selling price of 50 articles is equal to the cost price of 42 articles, the what is the approximate loss or profit percentage?
A
16% lossB
20% profitC
10% lossD
8% profitQuestion 275
Arithmetic
The present ages of A and B are in the ratio 3 : 4. Twelve years ago, their ages were in the ratio 2 : 3. The sum of the present ages of A and B (in years) is:
A
60B
84C
48D
72