Q21
Q21 There are 4 bananas, 7 apples and 6 mangoes in a fruit basket. In how many ways can a person make a selection of fruits from the basket , in such a way that at least one fruit from each variety is selected . (Assume all the fruits are similar)
269
280
279
168
Q22
Q22 There are 4 bananas, 7 apples and 6 mangoes in a fruit basket. In how many ways can a person make a selection of one or more fruits from the basket. (Assume all the fruits are non-similar)
(2^17) - 1
(2^17)
279
168
Q23
Q23 There are 15 points in a plane out of which 6 are collinear. Find the number of lines that can be formed from 15 points.
105
90
91
95
Q24
Q24 Find the total number of distinct vehicle numbers that can be formed using two letters followed by two numbers. Letters need to be different.
4500 ways
54000 ways
65000 ways
12000 ways
Q25
Q25 How many integers, greater 999 but not greater than 4000, can be formed with the digit 0, 1, 2, 3 and 4, if repletion of digits is allowed?
376
360
420
data inadequate
Q26
Q26 In IPL, there are 153 matches played, every two teams played one match with each other. The number of teams participating in the championship is:
18
16
20
19
Q27
Q27 Calculate the number of diagonals which can be drawn in a hexagon?
15
9
7
12
Q28
Q28 Using the digits 1, 2, 3, 4, 5, 6, 7, a number of 5 different digits is formed. Find how many of these are exactly divisible by 4?
3120
1560
600
390
Q29
Q29 What is the number of rectangles in an 8x8 chessboard ?
576
784
1024
1296
Q30
Q30 In how many ways can 4 letters be posted in 6 letter boxes?
256
64
216
1296