Answer Posted / ujjawal u daharwal (sgsits, in

very simple
Note: d1^2/s1 = d2^2/s2

where, d1= dia of available Bar
s1= spacing b/w available
d2= dia of new bar
s2= spacing of new bar

in this case; d1= 8mm, s1=150mm, d2= 10mm &s2= ?

8^2/150 = 10^2/s1

s1=234.375 mm c/c = 230 mm c/c ANS

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