## Algebra

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

**Problem**

**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

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

**Problem**

**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**

**Problem**

If *x* = 3 and , then *y* could be:

- –5
- –1
- 0
- 5
- 9

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

**Problem**

**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**

**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**

**Problem**

A is 2 years younger than B. If seven years back, A was 5/6^{th} 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**

**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**

**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**

**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**

**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