Question

15. The sum of three numbers is 216.85. If two numbers are 56.5 and 78.816, find the third number
.

16. Round off :

i) 20.83 to nearest tenths

ii) 176.478 to nearest hundredths

iii) 9.009 to nearest to thousandths


17. To buy a ticket for a concert, Naveen has to save Rs.4000 in a month. He saved Rs.1247.50 in the

1

st week and Rs.724.50, Rs.1572.65 and Rs.2100.75 respectively for the 2nd, 3rd and 4th weeks.


How much more money did he save?

18. Subtract 69.897 from 80.45 and add it to the sum of 111.23 and 64.327.

Answer 1

Answer:

add 56.5+78.816=135.316

216.85-135.316=81.434