Synonyms 1. Irrevocable = Unalterable 2. Adorn = beautify 3. Repose = Rest 4. Commotion = Disturbance 5. Nurture = To grow 6. Deny = Refuse 7. Abuse = Scorn 8. Docile = Submissive 9. Considerate = Thoughtful 10. Irresolute = undecided 11. Frugal = Miserly 12. Motive = Intention 13. Pity = Mercy 14. Quash = Reject 15. Restrict = Prohibit 16. Anticipate = Expect 17. Tremendous = Excessive 18. Meticulous = painstaking 19. Abundant = plentiful 20. Acquaint = introduce 21. Change = alter 22. Surreptitiously = secretly 23. Forebode = foretell 24. Genuine = real 25. Adverse = negative 26. Elastic = flexible 27. Vacillate = waver 28. Impeccable = faultless 29. Impediment = obstruction 30. Advance = pr
The diameter of a roller is 84 cm and its length is 120 cm. It makes 500
ReplyDeletecomplete revolutions to move once over to a level a playground. Find the area
of the play ground. ANS 1580 Sq. m
Explain how ???
Lateral surface area of roller
Delete=2πrh
=2*22/7*42*120
=31680sq.cm
Area of play ground
=31680*500
=15840000sq.cm
Convert sq.cm into sq.m
=15840000//10000
=1584sq.m
multiply no of revolution to surface are of roller to find the area of play ground
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