In the following questions are to be based on the details given below: A research was conducted by an organisation to study which cooling devices households use during summers in their homes. Total 300 households were studied to find out which ones use A/Cs, Coolers and Fans. Results showed that 59 used all three, 80 use coolers and A/Cs, 72 use A/Cs and fans, 152 use fans and coolers, 30 use only A/Cs, 74 use only coolers and 10 use only fans.How many households don’t use fans?

In the following questions are to be based on the details given below:

A research was conducted by an organisation to study which cooling devices households use during summers in their homes. Total 300 households were studied to find out which ones use A/Cs, Coolers and Fans. Results showed that 59 used all three, 80 use coolers and A/Cs, 72 use A/Cs and fans, 152 use fans and coolers, 30 use only A/Cs, 74 use only coolers and 10 use only fans.
How many households don’t use fans?
1). 200
2). 100
3). 175
4). 125

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