PREPARATORY QUESTIONS

NUMBER SEQUENCES

PREPARATORY SET-95

Direction (Qs.1 to 5): Study the following arrangement and answer questions given:

648   483   295   333   261   312

 

Question No : 1

If the positions of first and second digits are changed in each number, which is the lowest number?

(1) 261

(2) 312

(3) 295

(4) 648

(5) 483

Question No : 2

If in each number 1 is added to first digit and then first and third are interchanged, then which is the largest number?

(1) 312

(2) 261

(3) 295

(4) 648

(5) None of these

Question No : 3

In all numbers are arranged in ascending order, then what is the difference between the numbers which is third from the left and second from the right?

(1) 186

(2) 171

(3) 165

(4) 123

(5) None of these

Question No : 4

If one is subtracted from all even digits in the numbers, then in how many numbers, a digit appear twice within a number?

(1) None

(2) One

(3) Two

(4) Three

(5) More than three

Question No : 5

What is the resultant if first digit of second highest number is divided by the second digit of the second lowest number?

(1) 1.32

(2) 0.94

(3) 0.44

(4) 2.00

(5) 0.59