Reasoning :: Order And RankingPage 1
1.  How many 5's are there in the following number sequence which are preceded by 7 and followed by 6?
7 5 5 9 4 5 7 6 4 5 9 8 7 5 6 7 6 4 3 2 5 6 7 8  (a)1  (b)2  (c)3  (d)4 

Answer is: AHere, 7 5 5 9 4 5 7 6 4 5 9 8 7 5 6 7 6 4 3 2 5 6 7 8
Preceded by 7
and followed by 6
So, there is only one such 7 5 6
2.  How many even numbers are there in the following series of numbers, each of which preceded by an odd number, but not followed by an even number?
5 3 4 8 9 7 1 6 5 3 2 9 8 7 3 5  (a)2  (b)3  (c)4  (d)5 

Answer is: BHere, 5 3 4 8 9 7 1 6 5 3 2 9 8 7 3 5
There are three such numbers 6, 2 and 8 each of which is preceded by an odd number and not followed by an even number.
3.  The position of how many digits in the number 351462987 will remain unchanged after the digits are rearranged in ascending order within the number?  (a)1  (b)2  (c)3  (d)4 

Answer is: BGiven number, 3 5 1 4 6 2 9 8 7
After rearrangement, 1 2 3 4 5 6 7 8 9
Hence, there are two numbers, 4 and 8 remain unchanged after the rearrangement.
4.  The positions of the first and the sixth digit in the number 5109238674 are interchanged. Similarly, the positions of the second and the seventh digit are interchanged and so on. Which of the following will the the third digit from the right end after the rearrangement?  (a)0  (b)5  (c)2  (d)6 

Answer is: AGiven number = 5109238674
according to the condition given in question, After interchanging the digits
new number = 3867451092
Hence, third digit form the right end = 0
5.  In a class, boys stand in a single line. One of the boys is nineteenth in order from both the ends. How many boys are there in the class?  (a)36  (b)37  (c)38  (d)39 

Answer is: B
6.  Anu and Vinay are ranked seventh and eleventh respectively from the top in a class of 31 students. What will be their respective ranks from the bottom in the class?  (a)25th and 21st  (b)24th and 21st  (c)25th and 22nd  (d)23rd and 21st 

Answer is: A
7.  In class of 42 students, Mahesh's rank is 16th from the bottom. What is his rank from the top?  (a)25  (b)35  (c)26  (d)27 

Answer is: D
8.  Sunita leaves her house at 20 min to seven in the morning, reaches Vineeta's house in 25 min, they finish their breakfast in another 15 min and leave for their office which takes another 35 min. At what time, did they leave Vineeta's house to reach their office?  (a)7 : 20  (b)7 : 30  (c)7 : 00  (d)7 : 15 

Answer is: A
9.  If every second Saturday and all Sunday are holiday in a 30 days month beginning on Saturday, then how man working days are there in that month?  (a)20  (b)21  (c)22  (d)23 

Answer is: D
10.  Raja walks slower than Raghu and Raghu walks as fast as Guru and Krishna walks faster than Guru. Who walks the fastest?  (a)Raghu  (b)krishna  (c)Raja  (d)Guru 

Answer is: B
Comments