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## [Smart Math] Algebra Problem 7

Here’s and example of a SMART MATH problem for ALGEBRA. ### Problem

20 years ago my age was 1/3rd of my present age. What is my present age now?

1. 66 years
2. 36 years
3. 33 years
4. 30 years
5. None of these
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## [Smart Math] Algebra Problem 6

Here’s and example of a SMART MATH problem for ALGEBRA. ### Problem

The difference of squares of two numbers is 24 and one of the numbers is 5/7th of the other. Find the numbers.

1. 7, 5
2. 7, 9
3. 10, 14
4. 7, 12
5. 2, 5
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## [Smart Math] Algebra Problem 5

Here’s and example of a SMART MATH problem for ALGEBRA. ### Problem

The LCM and HCF of two numbers is 300 and 15 respectively. The difference between the two numbers is equal to the HCF. Find the numbers.

1. 15, 30
2. 60, 75
3. 80, 95
4. 40, 55
5. 90, 05
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## [Smart Math] Algebra Problem 4

Here’s and example of a SMART MATH problem for ALGEBRA. ### Problem

On dividing a number by 1005 the quotient is 785 and the remainder is 108. What is the number?

1. 785931
2. 789033
3. 785033
4. 789931
5. 785031
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## [Smart Math] Algebra Problem 3

Here’s and example of a SMART MATH problem for ALGEBRA. ### Problem

Find the value of ‘1’ in $2^{4a+4}=4^{2a+1}+12$.

1. 4
2. 2
3. 1
4. 3
5. 0
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## [Smart Math] Algebra Problem 2

Here’s and example of a SMART MATH problem for ALGEBRA. ### Problem

If $x-y=3$ and $x^{3}-y^{3}=189$; $x+y$ =?

1. 5
2. 7
3. 9
4. 11
5. 13
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## [Smart Math] Algebra Problem 1

Here’s and example of a SMART MATH problem for ALGEBRA. ### Problem

Find the fraction such that if numerator is multiplied by 2 and 2 is added to the denominator, the fraction equals 2. If the numerator is squared and 2 is added to the denominator, the fraction equals 7.

1. 5/3
2. 4/8
3. 7/5
4. 3/2
5. 8/5