Step-by-step explanation:
<em><u>A</u></em><em><u>N</u></em><em><u>S</u></em><em><u>W</u></em><em><u>E</u></em><em><u>R</u></em><em><u> </u></em><em><u>I</u></em><em><u>S</u></em><em><u> </u></em><em><u>6</u></em><em><u>0</u></em><em><u>.</u></em>
SINCE,SQ. ROOT OF NO. IS GREATER THAN 7 BUT LESS THAN 8.
THEREFORE,
NO. WILL LIE BETWEEN=7^2 AND8^2
=49 & 64.
AS HIGHEST COMMON FACTOR OF 42 AND IT IS 6,
THEREFORE NO.S ARE 48,54,60
SINCE 4/5 OF NO. IS A MULTIPLE OF 4
THEREFORE NO. IS 60..