Challenger App

Three statements are given, followed by two conclusions numbered I and II. Assuming the statements to be true, even if they seem to be at variance with commonly known facts, decide which of the conclusions logically follows from the statements.

Statements:

All computers are markers.

All erasers are markers.

All pens are erasers.

Conclusions:

I. No pen is a computer.

II. Some erasers are computers.

Which of the following letter-clusters will replace the question mark (?) in the given series to make it logically complete? OEK 16 PJN 9 ? RTT −11 SYW −24

Refer to the following letter series and answer the question:

Y H S D S Y I R A Y E U G I R O A B U B R X M P Q

How many such vowels are there in the series each of which isi mmediately preceded by a consonant and also immediately followed by a consonant?