IBPS Clerk 27-Nov-2011 NZ 2nd

Instructions

What approximate value should come in place of the question mark (?) in the following questions ? (Note : You are not expected to calculate the exact value.)

Question 168

7777.009 - 596.999 -89.989 = ?

Solution

Option:C

As the options provided do not have any decimal places, we will use approximation to solve this question and find the nearest value.

So, the question now becomes 7777 - 597 - 90

i.e.7777 - 687

which gives 7090.

(Alternatively, one can notice that the options are not very close to each other. So, we can further approximate (7777 - 687) ∼ (7800 - 700) ∼ 7100. We can clearly see that the nearest value is 7090.)

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