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Let the total number of people be x. Male = 30% of x = 3x/10 Remaining = x - 3x/10 = 7x/10 Female = 50% of (7x/10) = 7x/20 Now, children left = x - (3x/10 + 7x/20) = 630 => 7x/20 = 630 => x = 1800 Total number of people in a zoo is 1800.
In a family, there are six members. L is the father of K. N is married to K. H is the daughter-in-law of N. N is not the father of T. T is the brother-i...
How is P related to R?
If ‘A % B’ means ‘A is the daughter of B’, ‘A & B’ means ‘A is the wife of B’, and ‘A # B’ means ‘A is the son of B’, then how i...
How is M related to Q?Â
Which of the following combinations of person is not a married couple?
If P+Q means ‘P is the daughter of Q’, P-Q means ‘P is the wife of Q’, P×Q means ‘P is the father of Q’, P÷Q means ‘P is the son of Qâ€...
In a family of six members, C is the daughter of U’s daughter only brother. E is the daughter-in-law of L, who is husband of U. Z is brother of B, the...
How is P related to Q?
How is C’s mother related to L?