The pages of a book had been numbered 1 to 100 manually. How many times will it be essential to write the digit 5? 

Directions: In each of these questions, three words are related in some way. The relationship among the words in the question can best be represented by one of the five diagrams (a), (b), (c), (d) and (e) given below. Mark your answer accordingly.

Teacher, College, Student

In each of the following questions, five words are given. Which of them will come in the middle if all of them are arranged alphabetically as in a dictionary?

Identify the number that does not belong to the following series.
2, 9, 28, 64, 126, 217, 344, 513

If in a certain language, CHILLY is coded as HCLIYL, how is MANURE coded in that code?

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

Choose the pair which is related in the same way as the words in the first pair from the given choices 

Mosquito : Malaria : : ....... : ........

Which two signs should be interchanged in the following equation to make it correct?
24 ÷ 8 – 5 x 5+ 3 = 13