In the following question, select the related number from the given alternatives.
23 : 72 :: 38 :?

Sunil is the son of the Kesav. Simran is Kesav's sister, has a son Maruti and daughter Sita. Prem is the maternal uncle of Maruti. How is Sunil related to Maruti? 

Directions : In each of the questions below are given four statements followed by three conclusions numbered I, II, and III. You have to take the given statements to be true even if they seem to be at variance from commonly known facts. Read all the conclusions and then decide which of the given conclusions logically follows from the given statements disregarding commonly known facts.

Statements:
1. Some cats are dogs.
2. Some tree are dogs.
Conclusions:
(I) Some dogs are cats.
(II) Some cats are trees.

Deepa moved a distance of 75 metres towards the north. She then turned to the left and walking for about 25 metres, turned left again and walked 80 metres. Finally, she turned to the right at an angle of 45°. In which direction was she moving finally?

Out of 100 families in the neighbourhood, 50 members have radios , 75 members have TVs and 25 members have VCRs . Only 10 families have all three and each VCR owner also has a TV . If some families have radio only , how many have only TV ? 

Sumit walks 20 m. to the East from point 'A', Then walks 20 m. in South-West direction. Then walks 20 m in North-West direction and reaches at point B. Find distance b/w A and B.? 

Directions: In this question, four words have been given, out of which three are alike in some manner and the for one is different. Choose out the odd one.