Arrange the following words as they appear in the dictionary?
(A) Chemistry
(B) Chamber
(C) Cheap
(D) Cheerful

From the given alternative words, select the one which can be formed by using the letters of the given word.
MOBILIZATION

Rahul travelled from a point and straightly goes to point ‘Y’ at a distance of 90 metres. He turned right and walked 40 metres, then again turned right and walked 70 metres. Finally, he turned right and walked 40 metres. How far he is from the starting point? 

Find the next number in the following number series?
31, 29, 24, 22, 17, ?

Select the number-pair in which the two numbers are related in the same way as are the two numbers of the following number-pair.
7:729

Direction : Study the following information carefully and answer the question given below:
Eight friends Manoj, Neeru, Ombir, Vipin, Willy, Xevier, Yacoub and Zampa attend symposiums on different months of the year viz. March, June, October and November, such that not more than two friends attend their symposiums in each of the months. Symposiums can be held on either 10th or 27th day of the month.
No two symposiums can be held on the same day. Willy and Neeru attend the symposiums on the same month. There are three symposiums held between the symposiums of Xevier and Ombir. Willy does not attend their symposium in November. Zampa attends his symposium immediately after Neeru. Vipin attends his symposium in the month of November. The number of friends who attend their symposiums between the symposiums of Yacoub and Zampa is the same as the number of friends who attend their symposiums between the symposiums of Neeru and Vipin. Xevier does not attend the symposium on October. Willy attends his symposium before Neeru.

How many friends attend the symposium after Willy? 

Arrange the given words in the sequence in which they occur in the dictionary.
(1) Necrology
(2) Nacromancy
(3) Necropolis
(4) Nacrophilia

What will be the difference between the first digit of the highest number as well as of the lowest number after the positions of the first two digits in each number of the following series 738, 429, 156, 273, 894 are reversed?