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. World press freedom day is celebrated on
Q1. 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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Q2. What is the term for the process by which the universe became transparent to light, approximately 380,000 years after the Big Bang?
Q2. What is the term for the process by which the universe became transparent to light, approximately 380,000 years after the Big Bang?
(A) Cosmic inflation
(A) Cosmic inflation
(A) Cosmic inflation
(B) Dark matter formation
(B) Dark matter formation
(B) Dark matter formation
(C) Recombination
(C) Recombination
(C) Recombination
(D) Galaxy formation
(D) Galaxy formation
(D) Galaxy formation
Answer: (C) Recombination
Answer: (C) Recombination
Answer: (C) Recombination
Recombination marks the point when the universe had cooled enough for electrons and protons to combine into neutral atoms, allowing photons to travel freely through space without being scattered by charged particles. This event, also known as the "era of recombination," occurred about 380,000 years after the Big Bang.
Recombination marks the point when the universe had cooled enough for electrons and protons to combine into neutral atoms, allowing photons to travel freely through space without being scattered by charged particles. This event, also known as the "era of recombination," occurred about 380,000 years after the Big Bang.
Recombination marks the point when the universe had cooled enough for electrons and protons to combine into neutral atoms, allowing photons to travel freely through space without being scattered by charged particles. This event, also known as the "era of recombination," occurred about 380,000 years after the Big Bang.
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Q3. Select the number pair in which the two numbers are related in the same way as 35 : 6.
Q3. Select the number pair in which the two numbers are related in the same way as 35 : 6.
(A) 85 : 9
(A) 85 : 9
(A) 85 : 9
(B) 64 : 8
(B) 64 : 8
(B) 64 : 8
(C) 26 : 5
(C) 26 : 5
(C) 26 : 5
(D) 120 : 11
(D) 120 : 11
(D) 120 : 11
Answer: (D) 120 : 11
Answer: (D) 120 : 11
Answer: (D) 120 : 11
62-1 : 6 = 35 : 6
112-1 : 11 = 120 : 11
62-1 : 6 = 35 : 6 112-1 : 11 = 120 : 11
62-1 : 6 = 35 : 6 112-1 : 11 = 120 : 11
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Q4. What is the term for a number that has no decimal places or fractional part?
Q4. What is the term for a number that has no decimal places or fractional part?
(A) Integer
(A) Integer
(A) Integer
(B) Fraction
(B) Fraction
(B) Fraction
(C) Decimal
(C) Decimal
(C) Decimal
(D) Percentage
(D) Percentage
(D) Percentage
Answer: (A) Integer
Answer: (A) Integer
Answer: (A) Integer
An integer is a whole number, either positive, negative, or zero, without a decimal or fractional part, such as 5, -3, or 0.
An integer is a whole number, either positive, negative, or zero, without a decimal or fractional part, such as 5, -3, or 0.
An integer is a whole number, either positive, negative, or zero, without a decimal or fractional part, such as 5, -3, or 0.
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Q5. The 8th term of the sequence 2, 6, 18, 54, ...... is
Q5. The 8th term of the sequence 2, 6, 18, 54, ...... is
(A) 4370
(A) 4370
(A) 4370
(B) 4374
(B) 4374
(B) 4374
(C) 7443
(C) 7443
(C) 7443
(D) 7434
(D) 7434
(D) 7434
Answer: (B) 4374
Answer: (B) 4374
Answer: (B) 4374
4374
4374
4374
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Q6. The first woman to become the Chief Minister of an Indian State.
Q6. The first woman to become the Chief Minister of an Indian State.
(A) Nandini Satpathy
(A) Nandini Satpathy
(A) Nandini Satpathy
(B) Mayawati
(B) Mayawati
(B) Mayawati
(C) Sushma Swaraj
(C) Sushma Swaraj
(C) Sushma Swaraj
(D) Sucheta Kriplani
(D) Sucheta Kriplani
(D) Sucheta Kriplani
Answer: (D) Sucheta Kriplani
Answer: (D) Sucheta Kriplani
Answer: (D) Sucheta Kriplani
Sucheta Kripalani was an Indian freedom fighter and politician. She was India's first female Chief Minister, serving as the head of the Uttar Pradesh government from 1963 to 1967.
Sucheta Kripalani was an Indian freedom fighter and politician. She was India's first female Chief Minister, serving as the head of the Uttar Pradesh government from 1963 to 1967.
Sucheta Kripalani was an Indian freedom fighter and politician. She was India's first female Chief Minister, serving as the head of the Uttar Pradesh government from 1963 to 1967.
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Q7. What is the term for the process of adding -ed to a regular verb to form its past tense and past participle?
Q7. What is the term for the process of adding -ed to a regular verb to form its past tense and past participle?
(A) Conjugation
(A) Conjugation
(A) Conjugation
(B) Declension
(B) Declension
(B) Declension
(C) Tense formation
(C) Tense formation
(C) Tense formation
(D) Regular inflection
(D) Regular inflection
(D) Regular inflection
Answer: (D) Regular inflection
Answer: (D) Regular inflection
Answer: (D) Regular inflection
Regular inflection is the process of adding a suffix, such as -ed, to a regular verb to form its past tense and past participle, following a predictable pattern.
Regular inflection is the process of adding a suffix, such as -ed, to a regular verb to form its past tense and past participle, following a predictable pattern.
Regular inflection is the process of adding a suffix, such as -ed, to a regular verb to form its past tense and past participle, following a predictable pattern.
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Q8. What is the term for the distance around a shape?
Q8. What is the term for the distance around a shape?
(A) Area
(A) Area
(A) Area
(B) Perimeter
(B) Perimeter
(B) Perimeter
(C) Volume
(C) Volume
(C) Volume
(D) Surface area
(D) Surface area
(D) Surface area
Answer: (B) Perimeter
Answer: (B) Perimeter
Answer: (B) Perimeter
The perimeter is the distance around a shape, like the distance around a rectangle, triangle, or circle.
The perimeter is the distance around a shape, like the distance around a rectangle, triangle, or circle.
The perimeter is the distance around a shape, like the distance around a rectangle, triangle, or circle.
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Q9. Who wrote the book "Ignited Minds"?
Q9. Who wrote the book "Ignited Minds"?
(A) Vikram Seth
(A) Vikram Seth
(A) Vikram Seth
(B) APJ Abdul Kalam
(B) APJ Abdul Kalam
(B) APJ Abdul Kalam
(C) Arundhati Roy
(C) Arundhati Roy
(C) Arundhati Roy
(D) Manmohan Singh
(D) Manmohan Singh
(D) Manmohan Singh
Answer: (B) APJ Abdul Kalam
Answer: (B) APJ Abdul Kalam
Answer: (B) APJ Abdul Kalam
Ignited Minds is a book by Dr. APJ Abdul Kalam, the former President of India and also known as the Missile Man of India for his work in development of missiles and launch vehicles. In this book Dr. Kalam talks about his dream of developed India.
Ignited Minds is a book by Dr. APJ Abdul Kalam, the former President of India and also known as the Missile Man of India for his work in development of missiles and launch vehicles. In this book Dr. Kalam talks about his dream of developed India.
Ignited Minds is a book by Dr. APJ Abdul Kalam, the former President of India and also known as the Missile Man of India for his work in development of missiles and launch vehicles. In this book Dr. Kalam talks about his dream of developed India.
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Q10. Which was the India’s first satellite?
Q10. Which was the India’s first satellite?
(A) Aryabhatta
(A) Aryabhatta
(A) Aryabhatta
(B) Rohini
(B) Rohini
(B) Rohini
(C) Brahmagupta
(C) Brahmagupta
(C) Brahmagupta
(D) Bhaskara
(D) Bhaskara
(D) Bhaskara
Answer: (A) Aryabhatta
Answer: (A) Aryabhatta
Answer: (A) Aryabhatta
The Aryabhata spacecraft, named after the famous Indian astronomer, was India's first satellite; it was completely designed and fabricated in India and launched by a Soviet Kosmos-3M rocket from Kapustin Yar on April 19, 1975.
The Aryabhata spacecraft, named after the famous Indian astronomer, was India's first satellite; it was completely designed and fabricated in India and launched by a Soviet Kosmos-3M rocket from Kapustin Yar on April 19, 1975.
The Aryabhata spacecraft, named after the famous Indian astronomer, was India's first satellite; it was completely designed and fabricated in India and launched by a Soviet Kosmos-3M rocket from Kapustin Yar on April 19, 1975.
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