Here’s and example of a **SMART MATH** problem for **ARITHMETIC.**

**Problem**

**Problem**

?

**The Usual Method**

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Using Rationalization:

=

**(Ans: 1)**

*Estimated Time to arrive at the answer = 30 seconds.*

**Using Technique**

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Since the denominator is , its conjugate is which is multiplied to it and the numerator . Since both the terms ( and ) are positive terms, their product too would be positive and there would not be any negative sign. The only option that does not have a negative sign is option ‘1’.

**(Ans: 1)**

*Estimated Time to arrive at the answer = 5 seconds.*

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## One reply on “[Smart Math] Arithmetic Problem 20”

sir g i think is answer me – sign aayega because denominator is -1