What is the formula to calculate the area of a circle? [#1257]
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Q1. What is the formula to calculate the area of a circle?
Q1. What is the formula to calculate the area of a circle?
(A) A = πr2
(A) A = πr2
(A) A = πr2
(B) A = 2πr
(B) A = 2πr
(B) A = 2πr
(C) A = πd
(C) A = πd
(C) A = πd
(D) A = 1/2πr2
(D) A = 1/2πr2
(D) A = 1/2πr2
Answer: (A) A = πr2
Answer: (A) A = πr2
Answer: (A) A = πr2
The formula to calculate the area of a circle is A = πr2, where A is the area and r is the radius of the circle.
The formula to calculate the area of a circle is A = πr2, where A is the area and r is the radius of the circle.
The formula to calculate the area of a circle is A = πr2, where A is the area and r is the radius of the circle.
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Related MCQ Quizzes
Q1. In India, the highest cricket ground above sea level lies in which state?
Q1. In India, the highest cricket ground above sea level lies in which state?
(A) Himachal Pradesh
(A) Himachal Pradesh
(A) Himachal Pradesh
(B) Sikkim
(B) Sikkim
(B) Sikkim
(C) Uttar Pradesh
(C) Uttar Pradesh
(C) Uttar Pradesh
(D) Assam
(D) Assam
(D) Assam
Answer: (A) Himachal Pradesh
Answer: (A) Himachal Pradesh
Answer: (A) Himachal Pradesh
The Chail Cricket Ground in Himachal Pradesh is the highest cricket ground in the world, sitting at 2,444 meters (7,500 feet) above sea level. Built in 1893 by the Maharaja of Patiala, Bhupinder Singh, the ground is also used for polo.
The Chail Cricket Ground in Himachal Pradesh is the highest cricket ground in the world, sitting at 2,444 meters (7,500 feet) above sea level. Built in 1893 by the Maharaja of Patiala, Bhupinder Singh, the ground is also used for polo.
The Chail Cricket Ground in Himachal Pradesh is the highest cricket ground in the world, sitting at 2,444 meters (7,500 feet) above sea level. Built in 1893 by the Maharaja of Patiala, Bhupinder Singh, the ground is also used for polo.
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Q2. Indian currency notes are printed in which place?
Q2. Indian currency notes are printed in which place?
(A) New Delhi
(A) New Delhi
(A) New Delhi
(B) Nasik
(B) Nasik
(B) Nasik
(C) Bombay
(C) Bombay
(C) Bombay
(D) Agra
(D) Agra
(D) Agra
Answer: (B) Nasik
Answer: (B) Nasik
Answer: (B) Nasik
The currency presses of SPMCIL are at Nasik (Western India) and Dewas (Central India). The two presses of BRBNMPL are at Mysuru (Southern India) and Salboni (Eastern India). Coins are minted in four mints owned by SPMCIL. The mints are located at Mumbai, Hyderabad, Kolkata and NOIDA.
The currency presses of SPMCIL are at Nasik (Western India) and Dewas (Central India). The two presses of BRBNMPL are at Mysuru (Southern India) and Salboni (Eastern India). Coins are minted in four mints owned by SPMCIL. The mints are located at Mumbai, Hyderabad, Kolkata and NOIDA.
The currency presses of SPMCIL are at Nasik (Western India) and Dewas (Central India). The two presses of BRBNMPL are at Mysuru (Southern India) and Salboni (Eastern India). Coins are minted in four mints owned by SPMCIL. The mints are located at Mumbai, Hyderabad, Kolkata and NOIDA.
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Q3. The whole area of Harappan culture forms a shape of
Q3. The whole area of Harappan culture forms a shape of
(A) Circular Area
(A) Circular Area
(A) Circular Area
(B) Triangular Area
(B) Triangular Area
(B) Triangular Area
(C) Square Area
(C) Square Area
(C) Square Area
(D) Rectangle Area
(D) Rectangle Area
(D) Rectangle Area
Answer: (B) Triangular Area
Answer: (B) Triangular Area
Answer: (B) Triangular Area
Triangular Area
Triangular Area
Triangular Area
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Q4. Who was the founder of the Mauryan Empire?
Q4. Who was the founder of the Mauryan Empire?
(A) Chandragupta Maurya
(A) Chandragupta Maurya
(A) Chandragupta Maurya
(B) Ashoka
(B) Ashoka
(B) Ashoka
(C) Bindusara
(C) Bindusara
(C) Bindusara
(D) Samudragupta
(D) Samudragupta
(D) Samudragupta
Answer: (A) Chandragupta Maurya
Answer: (A) Chandragupta Maurya
Answer: (A) Chandragupta Maurya
Chandragupta Maurya was the founder of the Mauryan Empire in ancient India, who ruled from 322 to 298 BCE. He was a key figure in Indian history, known for his military conquests and administrative reforms.
Chandragupta Maurya was the founder of the Mauryan Empire in ancient India, who ruled from 322 to 298 BCE. He was a key figure in Indian history, known for his military conquests and administrative reforms.
Chandragupta Maurya was the founder of the Mauryan Empire in ancient India, who ruled from 322 to 298 BCE. He was a key figure in Indian history, known for his military conquests and administrative reforms.
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Q5. Which of the following scientists is credited with the development of the first successful polio vaccine?
Q5. Which of the following scientists is credited with the development of the first successful polio vaccine?
(A) Edward Jenner
(A) Edward Jenner
(A) Edward Jenner
(B) Louis Pasteur
(B) Louis Pasteur
(B) Louis Pasteur
(C) Jonas Salk
(C) Jonas Salk
(C) Jonas Salk
(D) Alexander Fleming
(D) Alexander Fleming
(D) Alexander Fleming
Answer: (C) Jonas Salk
Answer: (C) Jonas Salk
Answer: (C) Jonas Salk
Jonas Salk developed the inactivated poliovirus vaccine (IPV) in 1955, which was the first effective vaccine against polio. Salk's vaccine led to a significant reduction in polio cases and paved the way for global efforts to eradicate the disease.
Jonas Salk developed the inactivated poliovirus vaccine (IPV) in 1955, which was the first effective vaccine against polio. Salk's vaccine led to a significant reduction in polio cases and paved the way for global efforts to eradicate the disease.
Jonas Salk developed the inactivated poliovirus vaccine (IPV) in 1955, which was the first effective vaccine against polio. Salk's vaccine led to a significant reduction in polio cases and paved the way for global efforts to eradicate the disease.
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Q6. The ratio of the radii of two circles is 1 : 3. The ratio of their areas is
Q6. The ratio of the radii of two circles is 1 : 3. The ratio of their areas is
(A) 1:6
(A) 1:6
(A) 1:6
(B) 2:9
(B) 2:9
(B) 2:9
(C) 1:9
(C) 1:9
(C) 1:9
(D) 6:9
(D) 6:9
(D) 6:9
Answer: (C) 1:9
Answer: (C) 1:9
Answer: (C) 1:9
Area = πr2
π12 : π32
= π1 : π9
= 1:9
Area = πr2 π12 : π32 = π1 : π9 = 1:9
Area = πr2 π12 : π32 = π1 : π9 = 1:9
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Q7. Find the odd number - 15, 17, 6, 12.
Q7. Find the odd number - 15, 17, 6, 12.
(A) 6
(A) 6
(A) 6
(B) 12
(B) 12
(B) 12
(C) 15
(C) 15
(C) 15
(D) 17
(D) 17
(D) 17
Answer: (D) 17
Answer: (D) 17
Answer: (D) 17
17 which is a Prime number.
17 which is a Prime number.
17 which is a Prime number.
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Q8. World press freedom day is celebrated on
Q8. World press freedom day is celebrated on
(A) 3 October
(A) 3 October
(A) 3 October
(B) 13 June
(B) 13 June
(B) 13 June
(C) 3 May
(C) 3 May
(C) 3 May
(D) 3 August
(D) 3 August
(D) 3 August
Answer: (C) 3 May
Answer: (C) 3 May
Answer: (C) 3 May
World Press Freedom Day was proclaimed by the UN General Assembly in December 1993, following the recommendation of UNESCO's General Conference. Since then, 3 May, the anniversary of the Declaration of Windhoek is celebrated worldwide as World Press Freedom Day.
World Press Freedom Day was proclaimed by the UN General Assembly in December 1993, following the recommendation of UNESCO's General Conference. Since then, 3 May, the anniversary of the Declaration of Windhoek is celebrated worldwide as World Press Freedom Day.
World Press Freedom Day was proclaimed by the UN General Assembly in December 1993, following the recommendation of UNESCO's General Conference. Since then, 3 May, the anniversary of the Declaration of Windhoek is celebrated worldwide as World Press Freedom Day.
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Q9. Which ancient kingdom of the Brahmaputra Valley was ruled by the Varman dynasty?
Q9. Which ancient kingdom of the Brahmaputra Valley was ruled by the Varman dynasty?
(A) Pragjyotishpura
(A) Pragjyotishpura
(A) Pragjyotishpura
(B) Kamarupa
(B) Kamarupa
(B) Kamarupa
(C) Davaka
(C) Davaka
(C) Davaka
(D) Sylhet
(D) Sylhet
(D) Sylhet
Answer: (B) Kamarupa
Answer: (B) Kamarupa
Answer: (B) Kamarupa
The Varman dynasty ruled the ancient kingdom of Kamarupa in the Brahmaputra Valley from the 4th to the 7th century CE. During their reign, they built several temples, monuments, and cities, and developed a distinct culture that blended Indian and Southeast Asian influences.
The Varman dynasty ruled the ancient kingdom of Kamarupa in the Brahmaputra Valley from the 4th to the 7th century CE. During their reign, they built several temples, monuments, and cities, and developed a distinct culture that blended Indian and Southeast Asian influences.
The Varman dynasty ruled the ancient kingdom of Kamarupa in the Brahmaputra Valley from the 4th to the 7th century CE. During their reign, they built several temples, monuments, and cities, and developed a distinct culture that blended Indian and Southeast Asian influences.
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Q10. What is the capital of Oman?
Q10. What is the capital of Oman?
(A) Sana
(A) Sana
(A) Sana
(B) Doha
(B) Doha
(B) Doha
(C) Jerusalem
(C) Jerusalem
(C) Jerusalem
(D) Muscat
(D) Muscat
(D) Muscat
Answer: (D) Muscat
Answer: (D) Muscat
Answer: (D) Muscat
The capital and largest city is Muscat. Muscat, Oman’s port capital, sits on the Gulf of Oman surrounded by mountains and desert.
The capital and largest city is Muscat. Muscat, Oman’s port capital, sits on the Gulf of Oman surrounded by mountains and desert.
The capital and largest city is Muscat. Muscat, Oman’s port capital, sits on the Gulf of Oman surrounded by mountains and desert.
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