Question

Question 12. A machine, on an average, manufactures 2,825 screws a day. How many screws did it produce in the
month of January 2006?
Question 13. A student multiplied 7236 by 65 instead of multiplying by 56. By how much was his answer greater than
the correct answer? (Hint: Do you need to do both the multiplications?)
Question 14. The distance between the school and the house of a student's house is 1 km 875 m. Every day she walks
both ways. Find the total distance covered by her in six days.
Question 15. Estimate each of the following using general rule:
(a) 730+998730-998
(b) 796-314796-314
(c) 12,904+2,88812.904+2,888
(d) 28,292-21,49628,292-21,496
Question 16. Give a rough estimate (by rounding off to nearest hundreds) and also a closer estimate (by rounding off
to nearest tens):
(a) 439+334+4.3174394334+4,317
(b) 1.08,734-47.5991.08.734-47,599
(c) 8325-4918325-491
(d) 4,89,348-48,3654,89,348-48,365
Question 17. Estimate the following products using general rule:
(a) 578*161578161 (b) 5281*34915281x3491 (0) 12915921291592
(d) 9250299250*29
Question 18. Write Roman Numerals in front of each given intecers​

Answer 1

Answer:

sbshdfewusbeyweydntwjahgsbss

Explanation:

geshgfdwvwfx shdinfndfwjsbga

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csk vs rcb