Research Aptitu...

How many different numbers of six digits can be formed with the numbers 3, 1, 7, 0, 9, 5?

How many three-digit numbers are there, with no digits repeated?

In how many different ways, the letters of the word ALGEBRA can be arranged in a row if.

(i) The two As are together?

(ii) The two As are not together?

A husband and wife appear in an interview for two vacancies in the same post. The probability of husband’s selection is 1/7 and that of wife's is 1/5.

What is the probability that none of them will be selected?

A man speaks the truth in 80% of the cases and another in 90% of the cases. While stating the same fact, what is the probability that they contradict?

A coin is tossed three times. Find the chance that head and tail show alternately.

Akash said to Mohit, “The boy in the blue shirt is younger of the two brothers of the daughter of my father ’s wife ". How is the boy in the blue shirt related to Akash?

Pointing to a photograph, Vipul said, "She is the daughter of my grandfather 's only son(and only child also)". How is Vipul related to the girl in the photograph?

A man said to a lady, "your mother's husband's sister is my aunt. How is the lady related to the man?

If
A + B means A is the mother of B;
A - B means A is the brother B;
A % B means A is the father of B and
A x B means A is the sister of B,
Which of the following shows that P is the maternal uncle of Q?