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 |
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.
EditExplanation
- 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.
EditExplanation
- 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.