PREPARATORY QUESTIONS

NUMBER SEQUENCES

PREPARATORY SET-39

Direction (Qs.1 to 5): Below questions are based on the following six numbers.


927   589   285   554   978   417

 

Question No : 1

If two digit numbers are formed by taking the 2nd and 3rd digits respectively of each of these numbers and then the two digits of each of these two digit numbers are interchanged, then which number from the given numbers will be the second highest number in the revised form?

(1) 927

(2) 589

(3) 978

(4) 554

(5) 417

Question No : 2

If all the six numbers are written with their digits in the reverse order, what is the sum of the digits in second lowest number?

(1) 13

(2) 17

(3) 14

(4) 15

(5) 16

Question No : 3

If first two digits of each number are interchanged and all numbers are arranged in descending order then, what is the product of 1st digit of second lowest number and 3rd digit of second highest number?

(1) 15

(2) 10

(3) 18

(4) 21

(5) 56

Question No : 4

If one is added to each of the given number and then all three digits are arranged in descending order within each number, then what is sum of products of 1st and 3rd digits of highest number and second lowest number?

(1) 95

(2) 73

(3) 69

(4) 70

(5) 71

Question No : 5

If one is subtracted from middle digit in each number and then all digits in each number are arranged in ascending order within each number then, what is the difference between the sum of digits of second highest and second lowest numbers?

(1) 6

(2) 3

(3) 4

(4) 9

(5) 7