After interchanging the given two numbers and two signs what will be the values of equation (I) and (II) respectively?
 + and ×, 5 and 4
 I. 4 + 6 × 5 – 7 ÷ 1
 II. 5 × 3 – 4 + 8 ÷ 2

In a certain code language, 'DENTIST' is written as ‘CDMSHRS’ and ‘TOOTH’ is written as ‘SNNSG’, how will 'HEALING' be written in that language?

Four clusters have been given out of which three are alike in some manner and one is different. Select the one that is different.

Option

Directions: Study the following information to answer the given questions.

12 persons are sitting in a parallel row such that six persons sit in each row. Persons in row 1 face south and persons in row 2 face north. Akshay, Viraj, Sunny, John, Sumit and Dhruv sit in row 1 while Sam, Madi, Ravi, Ankit, Bunny and Shikha in row 2. Dhruv sits third to the right of one, who sits opposite to Shikha.

One person sits between Dhruv and Akshay. Dhruv does not sit at any end. Sumit sits opposite to Bunny. Three persons sit between Bunny and Ankit. Bunny does not sit at any extreme end. Viraj sits opposite to Sam, who is not adjacent to Bunny. Sunny does not sit at extreme end or opposite to Madi.

Who sits opposite to Sunny?

After interchanging the given two numbers and two signs what will be the values of equation (I) and (II) respectively?
× and ÷, 7 and 9

I. 8 × 3 ÷ 6 + 9 – 7
II. 9 – 7 × 1 + 6 ÷ 3

Direction: Study the following information carefully and answer the given questions.
An uncertain number of people are sitting in a row facing north and are at an equal distance between them. The number of people sitting to the left of A is the same as to the right of H. G is sitting third to the right of D, who is sitting immediate right of A.
The number of people sitting between I and F is the same number of people sitting between F and B. H is sitting four places away from E, who is not an immediate neighbour of C. Only one person is sitting between D and I, who is sitting fourth from the left end. C is sitting exactly between F and B, who is sitting immediate left of H. Two people are sitting between G and F.

Who among the following is sitting at the extreme end?

Direction: Study the following information carefully and answer the given questions.
An uncertain number of people are sitting in a row facing north and are at an equal distance between them. The number of people sitting to the left of A is the same as to the right of H. G is sitting third to the right of D, who is sitting immediate right of A.
The number of people sitting between I and F is the same number of people sitting between F and B. H is sitting four places away from E, who is not an immediate neighbour of C. Only one person is sitting between D and I, who is sitting fourth from the left end. C is sitting exactly between F and B, who is sitting immediate left of H. Two people are sitting between G and F.

What is the total number of people sitting in a row?

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.