Identify the number that does NOT belong to the following series.
47, 51, 57, 65, 69, 76, 83 

If + means −, − means ×, × means ÷, and ÷ means +, what will be the value of the following expression?
 5 ÷ 5 + 5 – 10 × 10 = ?

Direction: Study the following information to answer the given questions .
 A word and number arrangement machine when given an input line of words and numbers rearranges them following a particular rule in each step. The following is an illustration of input and rearrangement. All the numbers are two - digit numbers.
Input : Sadness candy 81 family 25 radical 31 gain 1935
step I : 31 candy 81 family 25 radical gain 19 35 sadness
 step II : 31 25 candy 81 family gain 19 35 radical sadness
step III : 31 25 35 candy 81 gain 19 family radical sadness
step IV : 31 25 35 81 gain 19 candy family radical sadness
Step V : 31 25 35 81 19 gain candy family radical  sadness
Step VI : 4 7 8 9 10 gain candy family radical  sadness
Step VI  is the last step of the rearrangement of the above input .  As per the rules followed in the above steps , find out in each of the questions the appropriate step for the given input .
Input : impatient 92 73 lack 68 paint economic 58 79 campus 69 satisfy . 

Which of the following would be at the 6th position from the left in Step IV ? 

Find the odd word/number/letters/number05 pair from the given alternatives.

Which two signs should be interchanged to make the given equation correct?
( 72 ÷ 18) + 30×8 -4 =20

Which number will replace the question mark (?) in the following series?
16, 24, 36, ?, 81

Direction : Study the following information carefully and answer the questions given below:
Eight friends Piyush, Sumit, Qasim, Rohit, Udit, Boby, Jack and Ayush are sitting around a circular table. Three frineds are facing away from the centre and others are sitting facing towards the centre. Sumit is sitting to the third right of Boby. Rohit is not near to Ayush. Qasim is sitting to the third left of Rohit, who is second right of Piyush and among these three friends one is facing away from the centre. Two friends are sitting between Ayush and Udit and two are sitting between Boby and Udit. Qasim is sitting second to the left of Jack, who is facing towards the centre. Sumit is facing towards the centre. Udit is not opposite to Boby and Qasim. 

How many people are sitting between Ayush and Rohit? 

Which two signs should be interchanged to make the given equation correct?
16 + 3 – 5 x 2 ÷ 4 = 9