Challenger App

No.1 PSC Learning App

1M+ Downloads
I am 10th in the queue from either end. How many people are there in the queue?

A19

B21

C18

D20

Answer:

A. 19

Read Explanation:

Total number of people= 10 + 10 - 1 = 19


Related Questions:

A, B, C, M, N and S live on six different floors of the same building. The lowermost floor in the building is numbered 1, the floor above it, number 2 and so on till the topmost floor is numbered 6. Only C lives above B. N lives immediately below B. Only A lives below M. Who lives on floor number 3?
400 പേജുള്ള ഒരു ബുക്കിന്റെ പേജുകളിൽ നമ്പർ ഇടുന്നതിന് എത്ര അക്കങ്ങൾ വേണ്ടിവരും ?
Six teams named P, Q, R, S, T and U won tournaments in different months of the same year, viz. January, February, March, April, May and June. R won the tournament in January. Q won in the month immediately before U. P won the tournament in the month immediately before S. Exactly two teams won the tournaments between the months of R and S. In which month did T win the tournament?
Six students, P, Q, R, S, T and U each are of different heights. P is taller than only two students. T is taller than only one student but shorter than exactly four students. S is taller than only four students but is not the tallest. Q is taller than none of the students. R. is not the tallest. Who is the tallest student?
G, H, J, K, L and P live on six different floors of the same building. The lowermost floor in the building is numbered 1, the floor above it is numbered 2 and so on till the topmost floor is numbered 6. Only three people live between P and J, whereas P lives below J. K lives on an odd-numbered floor and immediately above P. G lives on one of the floors below L and on one of the floors above H. Who lives on floor numbered 5?