SIMPLIFICATION-1(Round Off)

4.5 * 9582 / 6 = ?

1)7186.5
2)6126.15
3)8524.5
4)6357.5
5)None Of These

Solution:

Take 4.5 as 5-round it off
Take 9582 as 10(round of 9.582)-round it off
5 * 10 / 6 = 50 / 6 =8.3
we round of all the values more so the answer is less then we got
less the 8.3 near by value is 7186.5
this is the answer .

16.87+?-45.39=56.66

1)28.14
2)39.79
3)118.92
4) 85.18
5)None Of These

Solution:

Take 16.87 as 17-almost near
Take 45.39 as 45-round it off
Take 56.66 as 57-almost near
17-57-45=-?
17-102=-?
-85=-?
85=?
we round off to near by so the answer is also near by 85 is 85.18