Dr. Lal And Jain Solutions for Exercise 6: Reasoning

What should come next in the following number series?

$9,1,8,2,7,3,6,4,5,9,1,8,2,7,3,6,5,9,1,8,2,7,3,5,9,1,8,2,7$

'BF' is related to 'IM' in the same way as 'HL' is related to:

If $÷$ means$+, +$ means$-, -$means $\times$ and $\times$ means $÷$, then $14-4\times 7÷12+8=?$

How many such pairs of digits are there in the number 531468 each of which has as many digits between them in the number as when the digits are rearranged in descending order within the number?

Nikhil walked 30 m towards East, took a left turn and walked 20 m. He again took a left turn and walked 30 m. How far and in which direction is he from his starting point?

Pointing to a girl, Subodh said, "She is the daughter of my mother's only brother". How is Subodh related to the girl?

How many such pairs of letters are there in the word 'PERFORATE' each of which has as many letters between them in the word as in the English alphabet?

Direction: How many meaningful English words can be made with the letters TSFI using each letter only once in each word?