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DS: 1

Data Sufficiency

one more C.

by sureshsef

Tue Aug 11, 2009 9:54 pm
Forum: Data Sufficiency
Topic: DS: 1
Replies: 6
Views: 2225

Rounding off

Problem Solving

OA is b.

(22.5 x 1.6 )/ 3.8

= 9.5

by sureshsef

Tue Aug 11, 2009 9:48 pm
Forum: Problem Solving
Topic: Rounding off
Replies: 4
Views: 3551

An easy one but need to be sure

Problem Solving
hi

The answer is 1.

since 3^50 can be rewritten as 9^25.

So any multiples of 9 divided by 8 will get you the reminder of 1.

So ans is 1.

Regards
suresh

by sureshsef

Tue Aug 11, 2009 9:40 pm
Forum: Problem Solving
Topic: An easy one but need to be sure
Replies: 6
Views: 1334