Question

A step bar is pulled by 20 Kilónewton force as shown in the fig. If modulus of elasticity is 1x105 N /m2 find
Total elongation of the bar
2) maximam stress induced
3) minimum stress Induced.
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Answer 1

Answer:

The largest number of four digits is 9999.

Required number must be divisible by L.C.M of 12,15,18,27 i.e., 540.

On dividing 9999 by 540, we get 279 as remainder.

∴ Required number=(9999−279)=9720.