20) There are certain number of hats and gloves in a box. They are
of 41 red, 23 green, 11 orange. Power gone. But a woman can
differentiate between hats and gloves.How many draws are required to
obtain a pair of each color.
21) There is a
die with 10 faces. It is not known that fair or not. 2 captains want to
toss die for batting selection. What is the possible solution among the
following?
a) If no. is odd it is head, if no. is even it is tail
b) If no. is odd it is tail, if no. is even it is head
c)
Toss a die until all the 10 digits appear on top face. And if first no.
in the sequence is odd then consider it as tail. If it is even consider
it as head.
I didn’t remembered last option and I don’t know answer.
22)
2 years ago of A is x times that of B. 3 Years hence the age of A is
4/3 times of B. What is the present age of B in binary form?
I didn’t remember the exact values of x and y. You can solve easily.
23)
metal strip of width ‘x’ cm. 2 metal strips are placed one over the
other, then the combine length of 2 strips is ‘y’. If ‘z’ strips are
placed in that manner. What is the final width of that arrangement?
Ans is (z-1) (y-x) +x.
24)
There are 100 men and 100 women on the dance floor. They want to dance
with each other. Then which of the following statements is always true:
a) There are 2 men who danced with equal no. of women’s
b) There are 2 women who danced with equal no. of men
25)
A game is played between 2 players and one player is declared as
winner. All the winners from first round are played in second round.
All the winners from second round are played in third round and so on.
If 8 rounds are played to declare only one player as winner, how many
players are played in first round
Ans is 28.
26)
There are 3 boys A, B, C and 2 Girls D, E. D always sit right to A.
Girls never sit in extreme positions and in the middle position. C
always sits in the extreme positions. Who is sitting immediate right to
E?
Ans is B or C