How many such pairs of letters are there in the word ‘ADVERTISE’, each of which has as many letters between them in the word, as they have in the English alphabet?
How many meaningful words can .be made from the letters ADEL using each letter only once?
TEST OF REASONING
Four of the following five are alike in a certain way and so form a group. Which is the one that does not belong to the group?
M is sister of D. R is brother of D. F is father of M and T is mother of R. How is D related to T?
5687.285 + 4872.35 ÷12 =?
75% of 230 -? = 64% of 249