ETOOSINDIA

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🎲 Quiz 'Quadratic Equation'
🖊 5 questions · ⏱ 15 sec

⁉️ QUESTION ⁉️

The disadvantage of parthenogenesis is

(1) Simpler than sexual reproduction

(2) Uniparental

(3) Rapid formation of offsprings

(4) Does not encourage the appearance of new and advantageous combinations of genes

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⁉️ QUESTION ⁉️
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For a set {1, 2, {1, 2, 3}}. Which of the following
statement is false?

(1) {1, 2} ∈  {1, 2, {1, 2, 3}}
(2) {1, 2} ⊆ {1, 2, 3}
(3) {1, 2, 3} ⊆ {1, 2, {1, 2, 3}}
(4) 2 ∈  { 1, 2, {1, 2, 3}}


ANSWER IN THE COMMENT

🎲 Quiz 'Aptitude test 🧪'
Motion in Straight Line
🖊 5 questions · ⏱ 2 min

HEAT TRANSFER
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JEE PREVIOUS YEAR QUESTION

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Q.A cylinder of radius R is surrounded by a cylinder shell of inner radius 2R. The thermal conductivity of the material of the cylinder is K1 and that of the outer cylinder is K2. Assuming no loss of heat, the effective thermal conductivity of the system for heat flowing along the length of the cylinder is

A) (K1 + K2)/2

B) K1 + K2

C) (2K1 + 3K2)/5

D) (K1 + 3K2)/4

🎲 Quiz 'Aptitude test - maths'
• Mensuration •
🖊 5 questions · ⏱ 45 sec

Topic - HYDROCARBONS
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Read 😯 the question very carefully and try to find out the answer and tick✅ the correct option in the given polls😍

Topic - HYDROCARBONS
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🎲 Quiz 'Alcohol, Phenols & Ethers'
🖊 5 questions · ⏱ 45 sec

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