Here’s and example of a SMART MATH problem for RATIO PROPORTION.
Problem
What is two fifth of one tenth of three eight of nine eleventh?
- 1
The Usual Method
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(Ans: 4)
Estimated Time to arrive at the answer = 45 seconds.
(Note: The time it takes to do the arithmetical operations can differ based on the individual’s ability to multiply the numbers accurately.)
Using Technique
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= a number whose denominator is a multiple of 110 (10 x 11) and the numerator is a multiple of 27 (9 x 3). With these two conditions you can eliminate all options except ‘4’.
(Ans: 4)
Estimated Time to arrive at the answer = 10 seconds.
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