RRB RPF RPSF SI and CONS Model Papers 10 with solutions

Question : 52 of 120

Marks: +1, -0

What is the greatest number that will divide 307 and 330 leaving remainders 3 and 7 respectively ?

Solution:

(1) The number will be HCF of 307 – 3 = 304 and 330 – 7 = 323.

304 ) 323 ( 1

\;\;\;\;\;\;\;\;\;

304

\;\;\;\;\;\;\;\;\;\;\;

19 ) 304 ( 16

\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;

\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;

114

\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;

114

\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;

∴ Required number = 19

Go to Question:

Prev Question

Next Question