TCS Placement: Sample Questions 248 - 250 of 502

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Question 248

Question MCQ▾

In how many ways a team of 11 must be selected a team 5 men and 11 women such that the team must comprise of not more than 3 men.

Choices

Choice (4)

a.

2256

b.

1565

c.

2456

d.

1243

Edit

Answer

a.

Explanation

There are total people among which 5 are men and 11 are women.

We are asked to find the possible ways in which team must comprise of not more than 3 men.

Let there are 0 men and 11 women, i.e..

Let there are 1 men and 10 women, i.e..

Let there are 2 men and 9 women, i.e..

Let there are 3 men and 8 women, i.e..

Possible ways =

So, there are total 2256 ways in which team will comprise of not more than 3 men.

Question 249

Describe in Detail Essay▾

Convert the expression ( ( (A + B) ⚹ C) - ( (D-E) ^ (F + G) ) ) to equivalent prefix and postfix notations.

Edit

Explanation

  • Prefix: ( ( (A + B) ⚹ C) - ( (D-E) ^ (F + G) ) )
    • ( ( (+ AB) ⚹ C) - ( (-DE) ^ (+ FG) ) )
    • ( (⚹+ ABC) - (^ -DE + FG) )
    • -⚹ + ABC ^ -DE + FG
  • Postfix: ( ( (A + B) ⚹ C) - ( (D-E) ^ (F + G) ) )
    • ( ( (AB +) ⚹ C) - ( (DE-) ^ (FG +) ) )
    • ( (AB + C ⚹) - (DE-FG + ^) )
    • AB + C ⚹ DE-FG + ^ -

Question 250

Write in Short Short Answer▾

Hansie made the following amounts in seven games of cricket in India: ₹ 10, ₹ 15, ₹ 21, ₹ 12, ₹ 18, ₹ 19 and ₹ 17 (all figures in crores of course) . Find his average earnings.

Edit

Explanation

  • Hansie made ₹ 10 crore, ₹ , 15 crore, ₹ 21 crore, ₹ 12 crore, ₹ 18 crore, ₹ 19 crore and ₹ 17 crore amount in seven games of cricket in India.
  • We are asked to find his average earnings.

  • Here, Hansie՚s average earnings

  • So, Hansie՚s average earning is ₹ 16 crore for seven innings.