Logical Ability

Q.

An engineer is required to visit a factory for exactly four days during the first $15$ days of every month and it is mandatory that no two visits take place on consecutive days. Then the number of all possible ways in which such visits to the factory can be made by the engineer during $1-15$June $2021$is_____.

Q. In the dartboard given below, there are four circles with four different points allocated to each of them. The aim is to collect exactly 100 points to win the match.
What is the minimum number of throws required to win the game?

1. 6
2. 4
3. 8
4. 10

Q. Choose the option which best replaces the question mark.

1. 12
2. 18
3. 13
4. 16

Q. The library of a university is closed on all Sundays and Saturdays of even weeks (i.e., second and fourth Saturday). What can be the maximum number of days in a month for which it stays open?

1. 25
2. 24
3. 22
4. 23

Q. In the dartboard given below, there are four circles with four different points allocated to each of them. The aim is to collect exactly 100 points to win the match.
What is the minimum number of throws required to win the game?

1. 6
2. 8
3. 4
4. 10

Q.

There are three piles of identical yellow, black, and green balls and each pile contains at least $20$ balls. The number of ways of selecting $20$ balls if the number of black balls to be selected is thrice the number of yellow balls is?

1. $6$

2. $7$

3. $8$

4. $9$

Q. Choose the option which best replaces the question mark.

1. 12
2. 16
3. 13
4. 18