If I denotes ‘÷’, J denotes ‘×’, K denotes ‘−’ and L denotes ‘+’, then what will come in place of ‘?’ in the following equation?
 42 L 18 K (7 J 4) L (21 I 3) J 9 L 22 = ?

Direction: Study the following information carefully and answer the given questions.
Eight persons A, B, C, D, E, F, G, and H are seated in a linear row, some of them are facing North while others are facing South. H sits second to the left of E, who sits at an end of the row. D sits to the immediate right of A, who faces the South. C sits second to the left of D, who faces the same direction as E. H, who is not an immediate neigh bour of A, faces the opposite direction of E. F, who is not a neigh bour of E or H, faces the opposite direction of C. B faces the South. G sits second to the right of B. E and G face the same direction. C and D do not face the same direction. E and G does not sit adjacent to each other.

How many people are facing North?

Which letter-cluster will replace the question mark (?) to complete the given series?

ABCD, FVJV, KPQN, PJXF, ?

Select the option that represents the correct order of the given words as they would appear in an English dictionary.

1. Laudanum
2. Lattice
3. Laudation
4. Latterly
5. Laudable

In a certain code language, 'GANT' is coded as '126', and 'PROM' is coded as '186'. How will 'GAIL' be coded in that language? 

The second number in the given number pairs is obtained by performing certain mathematical operation(s) on the first number. The same operation(s) are followed in all the number pairs, EXCEPT one. Find that odd number pair.

Select the option that represents the correct order of the given words as they would appear in an English dictionary.
 1. Beginner
 2. Beheld
 3. Beggar
 4. Belief
 5. Behind

Directions: Study the following information carefully and answer the questions that follow:

Nine boxes A, B, C, D, E, F, G, H, and I are kept one above the other not necessarily in the same order. Three boxes are kept between A and B. Equal number of boxes are kept above and below A. Number of boxes kept above B is same as the number of boxes kept below C. Only two boxes are kept between C and I. One box is kept between A and G, which is not kept immediate above I. No box is kept between F and D,  which is not kept above F.  E is placed below H, which is kept immediate below D.

Which of the following pairs represent the lowermost and the topmost box?