Math, asked by paulsrinjoy4538, 1 year ago

Consider 8 vertices of a regular octagon and its centre. If t denotes the number of triangles and s denotes the number of straight lines that can be formed with these 9 points then t - s has the valu

Answers

Answered by chopraneetu
4
please find the attachment. mark it as brainliest
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chopraneetu: other wise it can be a question of combination in which s=9×8/2=36 and t=9×8×7/3×2=84 and then t-s=84-36=48
Answered by Anonymous
0

Answer:

The Indus Valley Civilization has not been deciphered yet. Consider the following reasons:

1. No knowledge about their language

2. Small length of inscriptions

3. Absence of bilingual texts

Which among the above is/ are correct reasons?

[A]Only 1

[B]1 & 2

[C]1 & 3

[D]1, 2 & 3

Explanation

2. A system known as “Dyarchy” was introduced in India for the first time by the Government of India Act 1919, which implied that the spheres of the various subjects were divided into___?

[A]Central Subjects and Provincial Subjects

[B]Reserved Subjects and Transferred Subjects

[C]Vested Subjects and Residual Subjects

[D]General Subjects and Concurrent Subjects

Explanation

3. Consider the following fall outs of Chauri-Chaura incident:

1. Civil Disobedience Movement was called off by Mahatma Gandhi

2. There was a schism in the Congress

3. Swaraj Party took a resolution to boycott elections and not rest before attaining swaraj

Which among the above statements is/ are correct?

[A]Only 1 & 2 are correct

[B]Only 2 is correct

[C]Only 2 & 3 are correct

[D]All are correct

Explanation

4. As per the ancient Indian Texts, the land between which among the following two rivers has been called “Brahamavarta”?

[A]Saraswati river and Drsadvati River

[B]Saraswati river and Saryu River

[C]Sutudri (Satluj) River and Vipas (Beas) River

[D]Ganga River and Yamuna River

Explanation

5. The sulbasutras of ancient Indian Scholar “Baudhayan” have reached to a most correct value of which among the following?

[A]π

[B]√2

[C]√3

[D]all of them

Explanation

6. Today’s Gurmukhi, Dogri and Sindhi scripts have developed from which among the following scripts?

[A]Brahmi Script

[B]Śāradā script

[C]Tankari Script

[D]Kushana Script

Explanation

7. All the following announcements were made at the Delhi Durbar in 1911 except one. Identify that one:

[A]Transfer of Capital from Calcutta to Delhi

[B]Annulment of Partition of Bengal

[C]Separation of Bihar, Orissa and Chhotanagpur from Bengal’s Jurisdiction

[D]Election of Indians to the various legislative councils in India

Explanation

8. Consider the following statements about the “Prajapatya Vivaha” mentioned in ancient Indian texts:

1. In this type of marriage, the rights of boy and girl were equally secured

2. The groom approached the bride’s father, who agreed to marriage after fixing a price

3. The price for this marriage was usually a pair of cows

Which among the above statements is/ are correct?

[A]Only 1

[B]Only 1 & 2

[C]Only 2 & 3

[D]Only 3

Explanation

9. Consider the following statements about Queen Victoria:

1. She practically acted as a Constitutional Sovereign of India giving approval to the policies advised by her ministers

2. She visited India only Once

3. She had liberal personal views towards India

Which among the above statements is / are correct?

[A]Only 1

[B]Only 2 & 3

[C]Only 1 & 3

[D]1, 2 & 3

Explanation

10. Various Cooperative societies of the agriculturists and Agricultural Banks were established during the time of Lord Curzon. What was the most appropriate reason for this?

[A]Lord Curzon wanted to improve the condition of agriculture in India

[B]The money lenders had refused to advance loans to peasants

[C] India was plagued with several famines

[D]Lord Curzon was given a mandate to work for the welfare of peasants

Explanation

Step-by-step explanation:

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