Two natural numbers A and B have HCF of 13 and LCM of 455. What is the sum of the numbers? (Given A ≠ B ≠ 13)

2 men, 3 women and 5 children can complete a work in 7 days. A man does double the work a woman does and a child does one fourth the work a man does. In how many days do 4 women can complete the work?

If the speed of a boat in still water is 15 km/h and the speed of the stream is 8 km/h, then find the total time taken by the boat to cover 70 km downstream and 20 km upstream.

A number if reduced by 20% becomes 228. By what percent should it be increased so that it becomes 313.5?

For what sum will the simple interest at 10% per annum for n years be 50n?

Find the odd one out.

Out of the following four figures, three are alike in some manner and one differs from these in that manner. Select the odd figure.

Select the odd one out.

Read the following information carefully and answer the questions given below.

There are seven persons A, B, C, D, E, F, and G sitting in a row. All of them are facing north but not necessarily in the same order.

Only three people sit between A and B but neither of them sits on any of the extreme ends of the row. E sits second to the left of B. C sits third to the right of E. Number of people to the right of D is the same as the number of people to the left of F. The immediate neighbour of E is F and D. G sits second to the left of F.

Who is sitting in the middle of the row?

In the following question statements are given and they are followed by conclusions. You have to take the given statements to be true even if they seem to be at variance with commonly known facts. Read the conclusions and decide which of the given conclusions logically follows from the given statements disregarding commonly known facts.

Statement:

I. All Lakshmi is Vishnu

II. No Vishnu is Kali

III. Some Kali is Shiva

Conclusion:

I. Some Lakshmi is Shiva

II. All Kali is Shiva