Aptitude and Reasoning Questions

A, B and C can complete a work in 20, 24 and 30 days respectively. All three of them starts together but after 4 days A leaves the job and B left the job 6days before the work was completed. C completed the remaining work alone. In how many days was the total work completed?

In the question two statements are given, followed by two conclusions, I and II. You have to consider the statements to be true even if it seems
to be at variance from commonly known facts. You have to decide which of the given conclusions, if any, follows from the given statements.

Statement I:
No mirrors are glass

Statement II:
No reflective are mirrors

Conclusion I:
All glass are reflective

Conclusion II:
All reflective are glass

If Sin4A - Cos4A = 1 then (A/2) in degrees is 0° < A ≤ 90°

A man misses a train by 1 hour if he travels at a speed of 4 kmph. If he had increased his speed to 5 kmph, he would gave still missed the train by 24 minutes. At what speed should he have travelled so that he reached the station exactly on time?

A sum of money invested at simple interest becomes 13/10 of itself in 2 years and 6 months. What is the rate (in percentage) of interest per annum?

Which of the following cube in the answer figure cannot be based on the unfolded cube in the question figure?

Select the missing number from the given options.

Find out the odd word/letters/number/number pair from the given alternatives.