Mathematics — All MCQs

1905 questions available

Showing 1861–1880 of 1905

Q1861.What is 25% of 25?

Medium
A 7
B 6
C 6.25
D None of these
Percentage, Ratio & Average PPSC

Correct Answer: C

25% of 25 = 25 / 4 = 6.25.

Q1862.What is 5% of 50,000?

Medium
A 400
B 500
C 2500
D 3000
Percentage, Ratio & Average PPSC

Correct Answer: C

5% of 50000 = (5/100) * 50000 = 2500.

Q1863.The square of -9 is:

Medium
A -81
B 81
C 18
D -18
Basic Arithmetic PPSC

Correct Answer: B

(-9)² = (-9) * (-9) = 81.

Q1864.Write the base of the exponential term -(-6)^5?

Medium
A 6
B -6
C -6x5
D 5
Basic Arithmetic PPSC

Correct Answer: B

In the term -(-6)^5, the base being raised to the power of 5 is -6.

Q1865.Which of the following is not a rational number?

Medium
A 4
B 0.3
C under root 3
D 0
Basic Arithmetic PPSC

Correct Answer: C

Under root 3 (sqrt(3)) is an irrational number because its decimal form is non-terminating and non-repeating.

Q1866.What is the numerical coefficient in the algebraic term 6X^2Y?

Medium
A 6
B 3
C 2
D 4
Algebra PPSC

Correct Answer: A

The numerical coefficient is the constant multiplier of the variables, which is 6.

Q1867.What are the factored roots of the expression: X² - 5X + 6?

Medium
A (x-2)(x-3)
B (x-3)(x-3)
C (x+2)(x-3)
D None of these
Algebra PPSC

Correct Answer: A

We factor 6 into -2 and -3 (whose sum is -5): (x-2)(x-3) = x² - 5x + 6.

Q1868.If the price of 1 dozen eggs is Rs 22, what will be the price of 30 eggs?

Medium
A 33
B 22
C 55
D None of these
Practical Mathematics PPSC

Correct Answer: C

Price per egg = 22 / 12. Price of 30 eggs = 30 * (22/12) = 55.

Q1869.What is 5% of 75?

Medium
A 3
B 3.75
C 22
D None of these
Percentage, Ratio & Average PPSC

Correct Answer: B

5% of 75 = (5/100) * 75 = 3.75.

Q1870.If your monthly income is 2200, what will be your yearly income?

Medium
A 20,000
B 26,400
C 31,000
D 40,000
Percentage, Ratio & Average PPSC

Correct Answer: B

Yearly income = 12 months * 2200 per month = 26,400.

Q1871.If a plane travels at 90 km/hour, how much distance will it cover in 35 minutes?

Medium
A 58 km
B 60 km
C 52.5 km
D None of these
Time, Work & Speed PPSC

Correct Answer: C

Distance = Speed * Time. 35 minutes = 35/60 hours. Distance = 90 * (35/60) = 52.5 km.

Q1872.If 48 is divided by 12, what is the quotient?

Medium
A 4
B 5
C 6
D 7
General MCQs PPSC

Correct Answer: A

48 / 12 = 4.

Q1873.1 square foot is equal to how many square inches?

Medium
A 24 square inches
B 48 square inches
C 72 square inches
D 144 square inches
Practical Mathematics PPSC

Correct Answer: D

1 foot = 12 inches. 1 square foot = 12 in x 12 in = 144 square inches.

Q1874.If 25 students took an exam and 4 of them failed, what percent of them passed?

Medium
A 54%
B 74%
C 84%
D None of these
Percentage, Ratio & Average PPSC

Correct Answer: C

Passed students = 21. Percentage passed = (21/25) * 100 = 84%.

Q1875.If 4 x 5 = ?

Medium
A 1620
B 1625
C 25
D 20
General MCQs PPSC

Correct Answer: D

Calculated as: 4 × 5 = 20.

Q1876.How many days are there in 2 weeks?

Medium
A 20
B 14
C 20
D None of these
Practical Mathematics PPSC

Correct Answer: B

There are 7 days in a week, so in 2 weeks (a fortnight) there are: 2 × 7 = 14 days.

Q1877.Which of the following represents the commutative property of addition?

Medium
A A+B = B+A
B A+B = B+B
C A+B = A-B
D None of these
Algebra PPSC

Correct Answer: A

The commutative property of addition states that numbers can be added in any order and yield the same sum: A + B = B + A.

Q1878.What is 80% of 320?

Medium
A 256
B 300
C 400
D None of these
Percentage, Ratio & Average PPSC

Correct Answer: A

Calculated as: (80 / 100) × 320 = 256.

Q1879.What is 5% of 320?

Medium
A 20
B 15
C 16
D None of these
Percentage, Ratio & Average PPSC

Correct Answer: C

Calculated as: (5 / 100) × 320 = 16.

Q1880.What is the expansion of A(b+c)?

Medium
A ab+cb
B ab+ab
C ab+ac
D None of these
Algebra PPSC

Correct Answer: C

By applying the distributive property of multiplication over addition, we get: A(b+c) = ab + ac.