Aptitude and Reasoning Questions

Select the odd word/letters/number/number pair from the given alternatives.

How many three digit numbers are there in which all the digits are odd?

A General of an Army wants to create a formation of square from 36562 army men. After arrangement, he found some army men remained unused. Then the number of such army men remained unused was

Arrange the given words in the sequence in which they occur in the dictionary.
1. Dillydallying
2. Dillydallied
3. Dillydally
4. Dilled
5. Dillydallies

Read the given statement(s) and conclusions carefully and select which of the conclusions logically follow(s) from the statement(s).

Statement:
Looking at Limay's new watch, Nita comments, "Oh, that's so awesome. Where did you buy it from?"

Conclusions:
I. Limay's watch is attractive
II. Nita wants to know where to buy a similar watch from

A word is represented by only one set of numbers as given in any one of the alternatives. The sets of numbers given in the alternatives are represented by two classes of alphabets as shown in the given two matrices. The columns and rows of Matrix-I are numbered from 0 to 4 and that of Matrix -II are numbered from 5 to 9. A letter from these matrices can be represented first by its row and next by its column, for example 'C' can be represented by 23, 40 etc and 'X' can be represented by 66, 96 etc. Similarly, you have to identify the set for the word 'DUNG'.

What should be the average speed of the car to cover a distance of 342 km in 1.9 hours?

If cotA/√(1 + cot2A) = x, then the value of x is