1.

400 by repeated subtraction

Answer»

ANSWER:

Step-by-step explanation:

400-1=399

399-3=396

396-5=391

391-7=384

384-9=375

375-11=364

364-13=351

351-15=336

336-17=319

319-19=300

300-21=279

279-23=256

256-25=231

231-27=204

204-29=175

175-31=144

144-33=111

111-35=76

76-37=39

39-39=0

thus no. of STEPS =20

so √400=20



Discussion

No Comment Found

Related InterviewSolutions