Rational numbers

$\frac{15}{20}$ represents
1. 1 out of 20 parts
2. 20 out of 20 parts
3. 20 out of 15 parts
4. 15 out of 20 parts
What are greater than zero but definitely less than one?
1. Proper fractions
2. Improper fractions
3. Mixed fractions
4. Whole numbers
$\frac{3}{4}$ corresponds to the decimal
1. 0.25
2. 0.5
3. 0.75
4. 1
If 50 students in a class contribute equally to a total of Rs.35 for a cause then each one's contribution is
1. Rs. 1.70
2. Rs. 2.70
3. Rs. 0.70
4. Rs.
Which number acts as the mirror to the natural numbers to reflect negative integers?
1. 1
2. -1
3. 0
4. -0
Every number has a
1. reciprocal
2. opposite
3. both the above
4. none of the above
Every non zero number has a
1. reciprocal
2. opposite
3. both the above
4. none of the above
7 / 13 satisfies the equation
1. 7x = 13
2. 13x = 7
3. 14x = 26
4. 26x = 14
A rational number is defined as a ratio of
1. whole numbers
2. integers
3. fractions
4. irrationals
The quotient of two numbers with different signs is a
1. negative number
2. positive number
3. neither positive nor negative