MCQ Collection
Australia MCQs
Practice Australia questions with answers and explanations.
Choose an option to check your answer.
Correct Answer: A. 5005
Explanation:
Use combinations: C(15,6)=5005.
Choose an option to check your answer.
Choose an option to check your answer.
Correct Answer: B. 1.31
Explanation:
I=V/R=1.31 A.
Choose an option to check your answer.
Correct Answer: A. 78
Explanation:
Mass=nM=3×26=78 g.
Choose an option to check your answer.
Correct Answer: D. It lowers activation energy without being consumed.
Explanation:
Enzymes alter reaction rate by lowering activation energy.
Choose an option to check your answer.
Correct Answer: D. 13/28
Explanation:
Probability equals favourable outcomes divided by total outcomes.
Choose an option to check your answer.
Correct Answer: B. 3/17
Explanation:
Probability equals favourable outcomes divided by total outcomes.
Choose an option to check your answer.
Correct Answer: B. 11
Explanation:
Subtract 8 and divide by 7; x=11.
Choose an option to check your answer.
Correct Answer: C. 10.9
Explanation:
Increase=13/119×100=10.9%.
Choose an option to check your answer.
Choose an option to check your answer.
Correct Answer: A. 262.4
Explanation:
Sale price=328×(1−20/100)=262.4.
Choose an option to check your answer.
Correct Answer: D. 12376
Explanation:
Use combinations: C(17,6)=12376.