Algebra - Bank Exams NCERT Mathematics Free MCQ Test with solutions

Important Questions Test: Algebra - Question 1

If there are 4 cadets in a row, what is the rule for calculating the number of cadets given the number of rows?

A.
Multiply the number of rows by 4
B.
Multiply the number of rows by 5
C.
Divide the number of rows by 4
D.
Add 4 to the number of rows

Detailed Solution: Question 1

The number of cadets is determined by multiplying the number of rows by 4. So, if there are 4 cadets per row, the total number of cadets is calculated using this multiplication.

Important Questions Test: Algebra - Question 2

If there are 60 oranges in a box, how will you express the total number of oranges in terms of the number of boxes? (Use 'b' for the number of boxes)

A.
60 * b
B.
b + 60
C.
60 / b
D.
b / 60

Detailed Solution: Question 2

The total number of oranges can be calculated by multiplying the number of boxes (b) by the number of oranges per box (60).

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Important Questions Test: Algebra - Question 3

Perimeter of an equilateral triangle, whose each side is ‘x’ unit is

A.
4x
B.
2x
C.
3+x
D.
3x

Detailed Solution: Question 3

Perimeter of an equilateral triangle

Definition: An equilateral triangle is a triangle in which all three sides are equal in length.
Given: Each side of the equilateral triangle is 'x' units.
Perimeter Formula: The perimeter of any polygon is the sum of the lengths of its sides. For an equilateral triangle, the perimeter is the sum of all three sides.

Solution

Since the given triangle is equilateral, all three sides are of equal length, which is 'x' units.
Therefore, the perimeter P of the equilateral triangle is P = x + x + x = 3x units.
Hence, the correct answer is 3x.

By following the formula for calculating the perimeter of an equilateral triangle and substituting the given value of 'x', we can easily determine that the correct answer is 3x units.

Important Questions Test: Algebra - Question 4

A teacher distributes 4 pens to each student. If there are 's' students, how many pens are required?

A.
4 * s
B.
s / 4
C.
s + 4
D.
4 + s

Detailed Solution: Question 4

The total number of pens is found by multiplying the number of students (s) by 4 (the number of pens per student).

Important Questions Test: Algebra - Question 5

A bird flies 2 kilometers in one minute. How would you express the distance the bird flies in terms of time in minutes (use 't' for time)?

A.
2 * t
B.
t / 2
C.
2 / t
D.
t + 2

Detailed Solution: Question 5

The distance flown by the bird is calculated by multiplying the time (t) by 2 kilometers per minute.

Important Questions Test: Algebra - Question 6

Radha is drawing a Rangoli pattern. If there are 8 dots in each row, how many dots will there be if she draws 7 rows?

A.
8 + 8 / 7
B.
8 + 7
C.
7 * 8
D.
8 / 7

Detailed Solution: Question 6

The total number of dots is calculated by multiplying the number of rows (7) by the number of dots in each row (8).

Important Questions Test: Algebra - Question 7

Leela's age is 3 years younger than Radha's age. If Radha's age is x years, how can you express Leela's age?

A.
x + 3
B.
x - 3
C.
3 * x
D.
3 / x

Detailed Solution: Question 7

Since Leela is 3 years younger than Radha, her age can be expressed as Radha's age minus 3.

Important Questions Test: Algebra - Question 8

Pick out the solution from the values given in the bracket next to each equation. x + 4 = 2 (– 2, 0, 2, 4)

A.
-2
B.
4
C.
2
D.
0

Detailed Solution: Question 8

Step-by-step

Substitute the given values into the equation:

x + 4 = 2
x + 4 - 4 = 2 - 4
x = -2

Therefore, the solution to the equation is x = -2

Important Questions Test: Algebra - Question 9

Mother gives 12 laddus to guests and keeps 3 laddus for herself. If the total number of laddus is 'l,' how many laddus did she originally have?

A.
15
B.
12
C.
9
D.
20

Detailed Solution: Question 9

The total number of laddus is the sum of the ones given to the guests (12) and the ones kept by the mother (3). So, the original total number is 15.

Important Questions Test: Algebra - Question 10

When large boxes are emptied, they transfer their contents into smaller boxes, leaving 5 extra items outside. How would you express the total number of items in a larger box if 'x' is the number of items in a smaller box?

A.
x * 5
B.
x + 5
C.
5 * x
D.
x - 5

Detailed Solution: Question 10

The total number of items in the larger box is the sum of the items in the smaller box (x) and the 5 extra items.

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Algebra - Free MCQ Test with solutions, Bank Exams NCERT Mathematics

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