Aptitude and Reasoning Questions

Koushik can do a piece of work in X days and Krishnu can do the same work in Y days. If they work together, then they can do the work in

Choose the related word/letters/number from the given alternatives. CD : 916 : : ? : 100144

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 in two matrices given below. 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, e.g., 'A' can be represented by 02, 65, etc., and 'S' can be represented by 56, 68, etc.

Similarly you have to identify the set for the word 'RATE'

∆DEF is right angled at E. If m∠F = 45°, then find the value of (cosecD - 1/√3).

Consider the following information and answer questions based on it.

Seven bottles colored - brown, blue, black, violet, white, indigo and purple are kept in a row, in random order, from left to right such that the -

1. White and purple bottles are not at either extremes.

2. Brown bottle is to the immediate right of violet bottle and to the immediate left of the white bottle.

3. White, violet and brown bottles are not at the center.

4. Black bottle is to the immediate left of purple bottle.

5. Blue bottle is neither second last nor at either extremes.

Which bottle is at the center of the row?

If XY = a+23 and YX = 13, then find the value of X2 + Y2X2 - Y2.

A series is given with one term missing. Select the correct alternative from the given ones that will complete the series.

? , Lal Bahadur Shastri, Indira Gandhi, Morarji Desai, Choudhary Charan Singh

3cosA is equal to