Compute: `(20 !)/(18 !)`

(a) Compute (i) 20(!)/(18)!( ii) 10(!)/(6!.4!) (b)find n if (n+2)!=2550*n!

Compute: -75+20

Compute: 100+(-20) on number line

Find the value of (20!)/(18! (20 - 18)!)

Compute: (18+2xx3.3)+0.003

Evaluate : (i) 2 xx 6! - 3 xx 5! (ii) (8!)/(4!) (iii) (20!)/(18!(20 - 18)!)

Sony Electronic' sold a computer st to a customer. The rate of GST on computer is 18% , then find the rate of CGST and SGST.

Sony Electronics sold a computer set to a customer. The rate of GST on computer is 18%. Then find the rate of CGST and SGST.