These questions are based on the following table. The table shows the number of emergencies attended by 6 fire brigade substations during May-October 2002.
Sub Section
May
June
July
Aug
Sep
Oct
A
12
15
17
21
13
17
B
18
21
15
18
18
19
C
10
11
19
21
23
18
D
17
17
19
12
18
10
E
12
15
18
10
21
11
F
14
15
12
13
18
19
Question: 1
Number of emergencies attended by the 6 substations was the same in the months of
The correct option is (D): June & October Explanation: Number of emergencies attended by the 6 substations in : May = 12+18+10+17+12+14= 83 June = 15+21+11+17+15+15 = 94 July = 17+15+19+19+18+12 = 100 Aug = 21+18+21+12+10+13 = 95 Sep = 13+18+23+18+21+18= 111 Oct = 17+19+18+10+11+19 = 94 Thus, emergencies attended were same in June and October
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Question: 2
Which of the following substations showed a greater increase in the number of emergencies attended in August as compared to July?
The correct option is (A): A Explanation: the Required difference in the number of emergencies attended in August as compared to July (A): A = 21-17 = 4 [MAX] (B): E = 10-18 = -8 (C): D = 12-19 = -7 (D): C = 21-19 = 2
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Question: 3
Which substation attended to the maximum number of complaints in the given period?
The correct option is (B): B Explanation: Number of complaints attended by : (A): A = 12+15+17+21+13+17 = 95 (B): B = 18+21+15+18+18+19= 109 [MAX] (C): C = 10+11+19+21+23+18= 102 (D) : F = 14+15+12+13+18+19= 91
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Question: 4
Which two months aggregated over 36\(\%\) of the total number of emergencies in the six-month period?
The correct option is (D): July and September So, July and September o months aggregated over 36%of the total number of emergencies in the six-month period.