Mathematics — All MCQs

1905 questions available

Showing 1781–1800 of 1905

Q1781.1 square meter equals how many square yards?

Medium
A 1.05 sq yards
B 1.1959 sq yards
C 1.25 sq yards
D 0.98 sq yards
Practical Mathematics PPSC

Correct Answer: B

1 square meter = (1.0936 yards)² ≈ 1.1959 square yards.

Q1782.1 square meter equals how many square inches?

Medium
A 1200 sq inch
B 1550 sq inch
C 1300 sq inch
D 1444 sq inch
Practical Mathematics PPSC

Correct Answer: B

1 meter = 39.3701 inches. 1 square meter = (39.3701)² ≈ 1550 square inches.

Q1783.1 inch equals how many feet?

Medium
A 0.075 feet
B 0.0833 feet
C 0.0900 feet
D 0.0700 feet
Practical Mathematics PPSC

Correct Answer: B

1 foot = 12 inches. 1 inch = 1/12 feet ≈ 0.0833 feet.

Q1784.1 inch equals how many yards?

Medium
A 0.0215 yards
B 0.0250 yards
C 0.0277 yards
D 0.0300 yards
Practical Mathematics PPSC

Correct Answer: C

1 yard = 36 inches. 1 inch = 1/36 yards ≈ 0.0277 yards.

Q1785.1 square foot equals how many square inches?

Medium
A 100 sq inch
B 120 sq inch
C 144 sq inch
D 160 sq inch
Practical Mathematics PPSC

Correct Answer: C

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

Q1786.1 square foot is equal to how many square meters?

Medium
A 0.08090 sq meter
B 0.09290 sq meter
C 0.08450 sq meter
D 0.1100 sq meter
Practical Mathematics PPSC

Correct Answer: B

By international standard definition, 1 square foot is approximately equal to 0.09290 square meters.

Q1787.1 square foot is how many square yards?

Medium
A 0.121 sq yd
B 0.111 sq yd
C 0.101 sq yd
D 0.099 sq yd
Practical Mathematics PPSC

Correct Answer: B

1 square yard = 9 square feet. So, 1 square foot = 1/9 sq yd ≈ 0.111 square yards.

Q1788.1 foot equals how many inches?

Medium
A 10 inches
B 12 inches
C 11 inches
D 9 inches
Practical Mathematics PPSC

Correct Answer: B

By standard definition, 1 foot is exactly equal to 12 inches.

Q1789.1 foot is equal to how many yards?

Medium
A 0.25 yards
B 0.30 yards
C 0.333 yards
D 0.5 yards
Practical Mathematics PPSC

Correct Answer: C

1 yard = 3 feet. 1 foot = 1/3 yard ≈ 0.333 yards.

Q1790.1 foot is equal to how many meters?

Medium
A 0.3056 meters
B 0.304 meters
C 0.33 meters
D 0.315 meters
Practical Mathematics PPSC

Correct Answer: B

By international standard definition, 1 foot is exactly 0.3048 meters, which is closest to 0.304 or 0.3056.

Q1791.How many feet are there in 1 yard?

Medium
A 4 feet
B 2.5 feet
C 3 feet
D 3.5 feet
Practical Mathematics PPSC

Correct Answer: C

By definition, there are exactly 3 feet in 1 yard.

Q1792.22 Karat gold contains 91.6% gold and 8.4% other metals. What is 22 Karat gold commonly known as?

Medium
A 999, BIS, Pure Mark
B 750, Platinum, ISO
C 916, KDM, Hallmark
D 585, Copper, Jewel Mark
Practical Mathematics PPSC

Correct Answer: C

22 Karat gold has a gold content of 91.6%, which translates to a fineness score of 916. It is commonly stamped with '916' as its hallmark.

Q1793.22 Karat gold contains how much pure gold?

Medium
A 89.5%
B 85.6%
C 91.6%
D 93.4%
Practical Mathematics PPSC

Correct Answer: C

22 Karat gold consists of 22/24 parts of pure gold, which represents exactly 91.6% purity.

Q1794.What is the hallmark number for 22 Karat gold?

Medium
A 999
B 750
C 916
D 585
Practical Mathematics PPSC

Correct Answer: C

The hallmark number 916 corresponds to 22 Karat gold, representing its 91.6% purity.

Q1795.18 Karat gold contains how much gold?

Medium
A 80%
B 75%
C 70%
D 60%
Practical Mathematics PPSC

Correct Answer: B

18 Karat gold is made of 18/24 parts of pure gold, representing exactly 75% purity.

Q1796.12 Karat gold contains how much gold?

Medium
A 60%
B 50%
C 55%
D 65%
Practical Mathematics PPSC

Correct Answer: B

12 Karat gold contains 12/24 parts of pure gold, representing exactly 50% purity.

Q1797.If tan A = √2 and tan B = 1, then?

Medium
A √2 − 1
B 1
C √2 + 1
D 2√2
General MCQs PPSC

Correct Answer: C

tan A + tan B = √2 + 1.

Q1798.If x + 1/x = 3, find the value of x³ + 1/x³.

Medium
A 9
B 18
C 21
D 27
Algebra PPSC

Correct Answer: B

x³ + 1/x³ = (x + 1/x)³ − 3(x + 1/x) = 3³ − 3*3 = 27 − 9 = 18.

Q1799.If R = xS⁴, and R = 6 when S = 5, find the value of R when S = 8.

Medium
A 39.3
B 20.5
C 32.8
D 52.4
Algebra PPSC

Correct Answer: A

R = xS⁴. At S=5, R=6 => 6 = x * 625 => x = 6/625. When S=8, R = (6/625) * (8⁴) = 39.3 approx.

Q1800.What is the formula for the nth term of a Geometric Progression (G.P)?

Medium
A a + (n - 1)d
B a × r^(n - 1)
C a × n
D a / r^(n - 1)
Sequences, Series & Reasoning PPSC

Correct Answer: B

The nth term of a Geometric Progression is given by a × r^(n-1), where 'a' is the first term and 'r' is the common ratio.