Round off the sum of 3645279 and 2153467 to the nearest ten thousand.
A5790000
B5800000
C5799000
D5700000
Ans 1:
Class : Class 5
They are asking to round off the final sum, not round off the individual numbers and add. First sum, then round off the sum to nearest ten thousand. So the last 5 digits should be 99000 which is Option C.
Ans 3:
Class : Class 5
Ans is not B. Ten thousand is 5 digits place. Answer Should be C. B should be wrong. If they asked for rounding off to Lakhs place, then B is correct.
Ans 4:
Class : Class 6
Ans is B because 3645279+2153467=5798746. 5798746 will be rounded to its nearest ten thousand, which is 5800000, since 98746 will be rounded to nearest ten thousand, which is 100000, 1 will be carried to the lakhs place, or, you can say that 3645279 and 2153467 will be rounded to the nearest ten thousand, which will be 3650000 and 2150000, respectively. 3650000+2150000=5800000.