Select the number from among the given options that can replace the question mark (?) in the following series.

18, 27, 34, 39, 42, ?

In a race, Gary ran faster than Jai. Neil ran faster than Jai. Sam ran slower than Gary. Who came first in the race?

Select the Venn diagram that best illustrates the relationship between the following classes.

Dubai, Asia, Africa

Three of the following four are alike in a certain way and so form a group.

Which one does not belong to that group?

Select the Venn diagram that best illustrates the relationship between the following classes.

Vehicle, Car, Motorbike

In a code language, 'PLUMAGE' is written as ‘GICOWNR’ and 'CRUSH' is written as 'JUWTE'. How will 'TRIBAL' be written in that language?

Which of the following letter-clusters will replace the question mark (?) in the given series?

YTM, AQQ, CNU, ?, GHC

Which letter-cluster will replace the question mark (?) and complete the given series?

UZVD, SCTG, ?, OIPM, MLNP