Class 12th

Kamal, Lalman, Manish, Nishant, Praveen, Qadir, Raman, Sanjay, Umang and Waqar are the only ten members in a department. There is a proposal to form a team from within the members of the department, subject to the following conditions.

(i) A team must include exactly one among Praveen, Raman, and Sanjay.

(ii) A team must include either Manish or Qadir, but not both.

(iii) If a team includes Kamal, then it must also include Lalman, and vice versa.

(iv) If a team include one among Sanjay, Umang, and Waqar, then it must also include the other two.

(v) Lalman and Nishant cannot be members of the same team. Lalman and Umang cannot be member

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Contributor-Level 10

Since a + o = 34, since o is maximum hence a should be minimum i.e. 0.

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5 months ago

(i) A team must include exactly one among Praveen, Raman, and Sanjay.

(ii) A team must include either Manish or Qadir, but not both.

(iii) If a team includes Kamal, then it must also include Lalman, and vice versa.

(iv) If a team include one among Sanjay, Umang, and Waqar, then it must also include the other two.

(v) Lalman and Nishant cannot be members of the same team. Lalman and Umang cannot be member

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Contributor-Level 10

Student who play Kabaddi and Boxing is l + o + m + f = 12 + o + m + f = 70 when c = 0

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Class 12th Chemistry

In the given chemical reaction, colors of the Fe²⁺ and Fe³⁺ ions, are respectively:

$5 F e^{2 +} + M n O_{4}^{-} + 8 H^{+} \overset{}{\to} M n^{2 +} + 4 H_{2} O + 5 F e^{3 +}$

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alok kumar singh

Contributor-Level 10

In reaction ;

$5 F e^{2 +} + M n O_{4}^{-} + 8 H^{+} \to M n^{2 +} + 4 H_{2} O + 5 F e^{3 +}$

Colour of Fe²⁺ is green and that of Fe³⁺is yellow.

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5 months ago

(i) A team must include exactly one among Praveen, Raman, and Sanjay.

(ii) A team must include either Manish or Qadir, but not both.

(iii) If a team includes Kamal, then it must also include Lalman, and vice versa.

(iv) If a team include one among Sanjay, Umang, and Waqar, then it must also include the other two.

(v) Lalman and Nishant cannot be members of the same team. Lalman and Umang cannot be member

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Contributor-Level 10

Since number f students who play Kabaddi and exactly 1 more game is g + h + f = 18 + f + f = 8 + b hence for f is maximum be has to be maximum and maximum value of b is 50 when o = m = 0.

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5 months ago

Direction for questions: Answer the questions on the basis of the information given below.

In a college student can opt for any one or more available sports, these are Kho-Kho, Carrom Board, Kabaddi, and Boxing, number of students who play Kho-Kho and any one more game is 10, (i.e. Kho-Kho and khabaddi is 10, Kho-Kho and carom board is 10 and soon ) similarly number of students who play Carrom Board and any one more game (Except Kho-Kho as it is already defined as 10) is 8 and number of students who play Kho-Kho and any two more games is 12. Total count for each of four Game is 100.

How many student play Carrom Board and exactly one mo

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5 months ago

(i) A team must include exactly one among Praveen, Raman, and Sanjay.

(ii) A team must include either Manish or Qadir, but not both.

(iii) If a team includes Kamal, then it must also include Lalman, and vice versa.

(iv) If a team include one among Sanjay, Umang, and Waqar, then it must also include the other two.

(v) Lalman and Nishant cannot be members of the same team. Lalman and Umang cannot be member

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Contributor-Level 10

Since Sanjay, Umang and Waqar come together but there is no restriction with Sanjay hence if Sanjay is included, the team will have Sanjay, Umang, Waqar, Manish or Qadir, Nishant.

This is the largest possible team with 5 members.

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New answer posted

5 months ago

(i) A team must include exactly one among Praveen, Raman, and Sanjay.

(ii) A team must include either Manish or Qadir, but not both.

(iii) If a team includes Kamal, then it must also include Lalman, and vice versa.

(iv) If a team include one among Sanjay, Umang, and Waqar, then it must also include the other two.

(v) Lalman and Nishant cannot be members of the same team. Lalman and Umang cannot be member

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Contributor-Level 10

If the team includes Nishant, then it does not include Lalman and Kamal.

Once out of Manish and Qadir can be include and one out of Praveen, Sanjay and Raman can be included. If Sanjay is a member, So we can select one out of Manish and Qadir in 2 ways

And we can select one out of Praveen, Sanjay and Raman in 3 ways

Hence total number of ways = 2 * 3 = 6 ways

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New answer posted

5 months ago

Direction for questions: Answer the questions on the basis of the information given below.

(i) A team must include exactly one among Praveen, Raman, and Sanjay.

(ii) A team must include either Manish or Qadir, but not both.

(iii) If a team includes Kamal, then it must also include Lalman, and vice versa.

(iv) If a team include one among Sanjay, Umang, and Waqar, then it must also include the other two.

(

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Contributor-Level 10

It is given that Kamal is include hence Lalman is included. If Lalman included then so, Nishant and Umang cannot be included. As Umang is not included, Sanjay and Waqar are not included. One out of Manish and Qadir and one out of Praveen and Raman will be included.

Thus, the team will include: Kamal, Lalman, (Manish/Qadir) and (Praveen/Raman). Hence total 4 members

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5 months ago

The owner of the hose has been murdered. The visitors to the house were Ajeet, Ajay and Sujeet. The following additional information is also given.

1. The murderer who was one of the three visitors, arrived at the house later than at least one of the other two visitors.

2. The driver of the house who was one of the three visitors, arrived at the house earlier than at least one of the two visitors.

3. The driver arrived at the house at midnight.

4. Neither Ajeet nor Ajay arrived at the house after midnight.

5. Between Ajay and Sujeet, the one who arrived earlier was not the driver.

6. Between Ajeet and Sujeet, the one who arrived later

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