Question 1
For a coding competition a team of four members should be selected from a total of 6 boys and 10 girls. What are different ways to select the team, if it is mandatory to have exactly one boy in team?
5040
720
120
240
Question 2
Find the total number of 4-digit different numbers that can be formed using the only digits '1' and '2'.
2
4
8
16
Question 3
Harshit is on a trip with his 2 other friends, as a in-charge of trip Harshit booked 5 hotel rooms, but they required only 3 of them, so what are total number of ways in which the rooms can be allocated?
20
60
120
720
Question 4
How many triangles can be formed connecting 3 points from the two axis lines, given that x-axis contains 8 points and y-axis contains 10 points.
620
640
720
1040
Question 5
Question 6
Question 7
Question 8
Question 9
Find the 28th term from the end of the AP 6, 9, 12, 15, 18, …, 102.
21
22
23
None of the above
Question 10
If the first term of an A.P. is 3 and the sum of its first four terms is equal to one-fifth of the sum of the next four terms, then the sum of the first 20 terms is equal to
-1200
-1080
-1020
-120
There are 15 questions to complete.