Question

Read the given statements.
(i) A compact fluorescent lamp uses 75% less energy than a traditional bulb.
(ii) Earth Hour is celebrated on the same day every year.
(iii) The screen saver on a computer saves energy.
(iv) About 30% of the cool air inside a refrigerator escapes everytime its door is opened.
How many statements given above is/are true?

• A. $1$
• B. $2$
• C. $3$
• D. $4$

Answer 1

Answer: (B)

(i) A compact fluorescent lamp typically use about 25%-80% less energy than traditional incandescents.

(ii) The Earth Hour is celebrated on the last Saturday of March every year.

(iii) The screen saver on a computer drains energy.

(iv) About 30% of the cool air inside a refrigerator escapes everytime its door is opened.