A mall installed 36 cctvs at the beginning of the year In March they installed 9 additional cctvs and then

36+9-18 = 27
10 years agoHelpfull: Yes(5) No(0)
is this da question..?? please dont mind, but my 6 year old nephew can answer dis...
10 years agoHelpfull: Yes(5) No(0)
27
total =36
addition 9
substraction 18
so 27
10 years agoHelpfull: Yes(3) No(0)
total installed cctvs=36+9=45
disconnected cctvs =18
installed cctvs at the end of the year =45-18=27
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B

36+9-18=27
10 years agoHelpfull: Yes(1) No(0)
36+9-18=27
9 years agoHelpfull: Yes(1) No(0)
ans 27
36+9-18=27
10 years agoHelpfull: Yes(0) No(0)
27
first 9 were installed at the end of august 18 were disconnected
means 9 more were disconnected from the cctv which were installed in the beginning
36-9=27
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36+9=45, till march , in august 45-18=27...therefore 27 cameras at the end of the year
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36+9-18 = 27
10 years agoHelpfull: Yes(0) No(0)
36+9-18=27
8 years agoHelpfull: Yes(0) No(0)
Total cameras = 36+9=45
Lastly, no. of cameras =45-18=27
8 years agoHelpfull: Yes(0) No(0)
36 at cctvs at the beginning then installed ad27ditional 9 and dissconet 18 so the total cctvs = 36+9-18=27
7 years agoHelpfull: Yes(0) No(0)

A mall installed 36 cctvs at the beginning of the year. In March they installed 9 additional cctvs and then disconnected 18 in August. How many were still installed at the end of the year.

A. 28
B.27
C. 26
D. 29