The temperature in a chemical plant was -5oC at 2.00 am. The temperature fell by 6oC and then rose again by 7oC. What was the final temperature?

A.

-6oC

B.

-4oC

C.

4oC

D.

8oC

View answer & explanation

Correct answer is B

Temperature = -5oC

It fell by 6oC = -5oC - 6oC

= -11oC

Then rose by 7oC = -11 + 7

= -4oC (final temperature)

See all Mathematics questions & answers
See more WAEC questions & answers
Aptitude Tests

Numerical Reasoning Questions and Answers

Abstract Reasoning Questions and Answers

Verbal Reasoning Questions and Answers

Nigeria General Knowledge Questions and Answers

Spatial Reasoning Questions and Answers

Data Interpretation Questions and Answers

Personality Test

Situational Judgement Questions and Answers

Quantitative Reasoning Questions and Answers

Logical Reasoning Questions and Answers

Puzzles Questions and Answers

Microsoft Office Questions and Answers

Typing Speed and Accuracy Test

See all →


View latest jobs in Nigeria today