SSC MTS 2021-05.10.2021-2 SSC Question Paper

SSC MTS 2021-05.10.2021-2 SSC Questions

51.
Quantitative Aptitude
The average of ten numbers is 18.2. The average of the first four numbers is 16.6 and that of the last seven numbers is 20.8. If the 4th number is excluded, then the average of the remaining numbers is (correct to one decimal place):
A.
16.9
B.
15.8
C.
17.2
D.
16.7
ANSWER :
A. 16.9
52.
The total surface area of a solid right circular cylinder of height 13 cm, is 880 cm2. Its volume (in cm3 ) is 11k. The value of k is:
A.
208
B.
182
C.
104
D.
91
ANSWER :
B. 182
53.
The average of the 2-digit numbers 37, 45, 6x and x6 is 48. What is the average of (4x + 3) and (x + 7)?
A.
12.5
B.
15
C.
17.5
D.
20
ANSWER :
B. 15
54.
The ratio of the speeds of A and B is 2: 5. To cover a certain distaace, if A takes 15 minutes more than B, thea bow aaka tax (in aubates) Wait a take to cover the sadse dastace"
A.
12
B.
8
C.
10
D.
9
ANSWER :
C. 10
55.
A person saves 28% of his income. If his income increases by 20% and the expediture reduces by 5%, thea his savingΒ» Increase by x%. The value of x is closest to:
A.
72.5
B.
84.3
C.
45.8
D.
54.4
ANSWER :
B. 84.3
56.
When x is subtracted from each of 24, 30, 36 and 46, the numbers so obtained in this order, are in proportion. What is the mean proportional between (2x + 3) aod (3x + 2)?
A.
10
B.
12
C.
10√3
D.
12√3
ANSWER :
C. 10√3
57.
A sold an artacle to B at a loss of 20%, and B sold at to C at a protat of 32%a. C sold at to Dat a loss of 20%. If A's loss is Rs.35 less than that of C, then B bought the article for:
A.
2800
B.
2500
C.
2940
D.
2750
ANSWER :
B. 2500
58.
There is a rectangular plot, 120 m long aod 98 m wide, with semi circular flower beds along the breadth on both sides of the plot. The cost of putting a fence all around the plot at Rs.16.50 per m is:
A.
8910
B.
39042
C.
39009
D.
8943
ANSWER :
B. 39042
59.
By selling an article for 820, Abhi loses 18%. To gain 25.5%, he should sell it for:
A.
1260
B.
1275
C.
1255
D.
1250
ANSWER :
C. 1255
60.
What least number must be subtracted from 2963 so that the resulting number when divided by 9, 10 and 15, the remainder in eachcase is 5 ?
A.
41
B.
78
C.
821
D.
39
ANSWER :
B. 78