Question

The combination of which of the following two products of Category B is exactly equal in number?

• A. Mobile phone and Computer
• B. Mobile phone and Refrigerator
• C. Television and Refrigerator
• D. Television and Computer
• E. None of the above

Answer 1

The correct option is B Mobile phone and Refrigerator

Total number of Computers $=600\times \frac{1}{5}=120$
Total number of Televisions $=600\times \frac{1}{3}=200$
Total number of Refrigerators $=280\times \frac{40}{100}=112$
Total number of Mobile phones $=600-120-200-112=168$

Category A,
Computers $=60$
Mobile phones $=84$
Televisions $=150$
Refrigerators $=\frac{112}{4}=28$

Category B,
Computers $=60$
Mobile phones $=84$
Televisions $=150$
Refrigerators $=84$

$Mobilephones=Refrigerators=84$