SSC CHSL 2021-10.08.2021-3 SSC Question Paper

SSC CHSL 2021-10.08.2021-3 SSC Questions

51.
Section : Quantitative Aptitude
Some families went on an outstation tour. The given histogram shows their ages.
What is the ratio of the number of persons of age less than 15 years to that of persons of age less than 30 years?
A.
15:38
B.
15:31
C.
3:7
D.
11:19
ANSWER :
C. 3:7
52.
When the price of an item was reduced by 20%, its sales increased by x% . If there is an increase of 25% in the receipt of the revenue, then the value of x is:
A.
53.84%
B.
55.75%
C.
56.25%
D.
61.5%
ANSWER :
C. 56.25%
53.
In a trapezium ABCD , DC ∥ AB, AB = 16cm and DC = 11.2 cm. What is the length (in cm) of the line segment joining the mid points of its diagonals?
A.
2.4
B.
1.8
C.
1.2
D.
2.8
ANSWER :
A. 2.4
54.
In a class of 80 students (boys and girls) there are 60% girls. The average weight of the boys is 58 kg and that of the girls is 52 kg. What is the average weight(in kg) of the whole class?
A.
56.2
B.
54.4
C.
53.6
D.
55
ANSWER :
B. 54.4
55.
is equal to:
A.
100
B.
10000
C.
100000
D.
0.1
ANSWER :
C. 100000
56.
Study the bar graph which shows the imports and exports (in ₹) of steel of a country during 2013 to 2017 and answer the question that follows.
For how many year(s) were the imports less than 80% of the average exports (per year) of the country during the five years?
A.
4
B.
1
C.
3
D.
2
ANSWER :
D. 2
57.
If a + b + c = 5, a2 + b2 + c2 = 27, and a3 + b3 + c3 = 125, then the value of is:
A.
-1
B.
5
C.
-5
D.
1
ANSWER :
A. -1
58.
A sum lent at simple interest amounts to ₹6,240.80 in one year and to ₹7,563.20 in 4 years. The sum (in ₹) and the rate of interest per annum, respectively, are:
A.
6,200, 8.5%
B.
5,800, 8.5%
C.
5,800, 7.6%
D.
6,200, 7.6%
ANSWER :
C. 5,800, 7.6%
59.
If the 11-digit number 4v6884805x6 is divisible by 72, and x ≠ y, then the value of √xy is:
A.
√12
B.
√6
C.
√5
D.
√8
ANSWER :
B. √6
60.
In △PQR, QT ⊥ PR. S is a point on QR such that ∠PSQ = p°, ∠TQR = 44°, ∠SPR = 32°, then the value of p is:
A.
72°
B.
82°
C.
76°
D.
78°
ANSWER :
D. 78°