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In a certain collage, the ratio of mathematics majors to English majors is 3:8. If in the following school year the number of mathematics majors increase 20%, and the number of English majors decrease 15%, what is the new ratio of mathematics majors to English majors?

STATEMENT-1 : Magnetic poles are only mathematical assumptions and have no real existence . and STATEMENT-2 : Magnetic field lines are always in closed loops .

72% of 25 students are good in mathematics. How many are not good in mathematics?

in a class of 35 students , 17 have taken Mathematics , 10 have taken mathematics but not economics if each student has taken erither mathematics Of Economics or both , then the number of students who have taken Economics but not mathematics is

Rahim obtained 60 marks out of 75 in Mathematics. Find the percentage of marks obtained by Rahim in Mathematics.

There are five books on Mathematics and 6 books on Physics in a book shop. In how many ways can a student buy : (i) a Mathematics book and a Physics book (ii) either a Mathematics book or a Physics book?

A bag contains a total of 20 books on physics and mathematics. Ten books are chosen from the bag and it is found that it contains 6 books of mathematics. Find out the probability that the remaining books in the bag contains 2 books on mathematics.

From 50 students taking examinations in mathematics, physics and chemistry,37 passed mathematics, 24 physics and 43 chemistry. At most 19 passed mathematics and physics, at most 29 mathematics and chemistry and at most 20 physics and chemistry. Find the largest possible number that could have passed all three exams.

check whether it is statement or not .Do you like mathematics ?

OBJECTIVE RD SHARMA ENGLISH-PERMUTATIONS AND COMBINATIONS-Exercise

Ten different letters of an alphabet are given. Words with five letter...
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If 7 points out of 12 are in the same straight line, then the number o...
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about to only mathematics
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No. of diagonals of a polygon are 170. No. of sides in this polygon ar...
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The number of all possible selections of one or more questions from 10...
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The number of ways of painting the faces of a cube with six diffe...
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A box contains 4 white balls, 5 black balls and 2 red balls. The numbe...
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Find the number of different permutations of the letters of the word ...
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A person tries to form as many different parties as he can, out of his...
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Find the number of ways in which 8 different flowered can be strung to...
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The number of words which can be formed out of the letters a, b, c, d,...
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The smallest value of x satisfying the inequality ""^(10)C(x-1)gt2.""^...
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The number of arrangenments which can be made using all the letters of...
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The number of ways of choosing a committee of 4 women and 5 men from 1...
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A set contains 2n+1 elements. The number of subsets of this set conta...
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The number of ways in which any four letters cab be selected from the ...
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A 5 digit number divisible by 3 is t formed sing the digits 0,1,2,3,4 ...
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If 7 points out of 12 are in the same straight line, then the number o...
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If a denotes the number of permutations of (x+2) things taken all at a...
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There are number of seats and m number of people have to be seated, th...
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