Q21. A can finish a job in 12 days and B in 6 days. How many days will they take working together?
- 5
- 4
- 6
- 18
Show answer and explanation
Correct answer: B. 4
Combined rate = 1/12 + 1/6; time = 72/18.
87 practice MCQs on Mathematics for Banking Jobs tests. Think of your answer first, then open "Show answer and explanation". These are practice questions, not official examination papers.
Correct answer: B. 4
Combined rate = 1/12 + 1/6; time = 72/18.
Correct answer: C. 8
The greatest common divisor of 64 and 24 is 8.
Correct answer: A. 77
Sum now = 59; after 9 years add 2x9.
Correct answer: C. 11.0
5.5 + 5.5 = 11.0.
Correct answer: A. 1386
Area = pi r^2 = 22/7 x 21^2 = 1386.
Correct answer: A. 25
125/5 = 25.
Correct answer: C. 60
15% of 400 = 15/100 x 400 = 60.
Correct answer: B. 13.8
6.0 + 7.8 = 13.8.
Correct answer: A. 36
Area = 1/2 x base x height = 36.
Correct answer: D. 120 degrees
(6-2)x180/6 = 120.