Algebra
December 28, 2011 | 
Author Here’s and example of a SMART MATH problem for ALGEBRA.
Problem
If the sum of money is divided among ‘n’ children, each child will receive $60. If another child is added to the group and the amount is distributed again each child will receive $50. What is the sum of money to be distributed?
- $3
- $30
- $300
- $3000
- Cannot be determined
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Here’s and example of a SMART MATH problem for ALGEBRA.
Problem
How much water must be added to 100 cc of a 60% solution of sulphuric acid to reduce it to a 40% solution?
- 20 cc
- 30 cc
- 40 cc
- 50 cc
- 60 cc
Here’s and example of a SMART MATH problem for ALGEBRA.
Problem
If x = 3 and 
- –5
- –1
- 0
- 5
- 9
Here’s and example of a SMART MATH problem for ALGEBRA.
Problem
If Mira was twice as heavy as she is, she would be 10 lbs lighter than her mother; if she were to lose 10 lbs, she would be 75% of her present weight. How much does Mira’s mother weigh?
- 60 lbs
- 70 lbs
- 80 lbs
- 90 lbs
- 100 lbs
Here’s and example of a SMART MATH problem for ALGEBRA.
Problem
In a school in which 40% of the enrolled students are boys, 80% of the boys are present on a certain day. If 1152 boys are present, the total school enrollment is _______.
- 1440
- 2880
- 3600
- 5400
- 5760
Here’s and example of a SMART MATH problem for ALGEBRA.
Problem
A is 2 years younger than B. If seven years back, A was 5/6th of B’s present age, what is half of B’s present age?
- 25 years
- 27 years
- 28 years
- 29 years
- 32 years
Here’s and example of a SMART MATH problem for ALGEBRA.
Problem
A man incurred a loss by selling a book for $60. Had he sold it for $75, his gain would have been 4 times the former loss. Find the cost price of the book.
- $75
- $63
- $65
- $69
- $80
Here’s and example of a SMART MATH problem for ALGEBRA.
Problem
A student losses a mark for every wrong answer and scores 2 marks for every correct answer. If he answers all the 60 questions in an exam and scores 39 marks, how many of them were correct?
- 33
- 29
- 27
- 23
- 21
Here’s and example of a SMART MATH problem for ALGEBRA.
Problem
Three years ago A’s age was double that of B’s. Seven years later, the sum of their united ages will be 83 years. How old is A?
- 24 years
- 35 years
- 45 years
- 48 years
- 54 years
Here’s and example of a SMART MATH problem for ALGEBRA.
Problem
Tom is 6 years elder to Dick. 20 years ago, Tom was 15 times older than Harry, but now Dick is twice as old as Harry. What is the age of Dick?
- 44
- 48
- 50
- 52
- 54