Question
What was the ratio of the total number of students
passed and failed in college C (during all the given years? Study the table carefully to answer the questions that follow: Number of students (in hundreds) passed (P) and failed (F) by four colleges over the years. ÂSolution
The total number of students passed in C during all the given year = (6800 + 4000 + 6600 + 4400 + 2500 + 4500) = 28800 The total number of students failed in C during all the given year = (3100 + 3000 + 5200 + 7200 + 4200 + 3000) = 25700 `:.` Â Reqd. Ratio = 28800 : 25700 = 288 : 257
One-fourth of a number is 70. What will 40% of that number?
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If the numerator of a fraction is increased by 10% and the denominator is reduced by 20%, the resulting fraction is 11/6. What was the original fraction?
If a number 'a' is divisible by 18 and another number 'b' is divisible by 12, then (a2 – b2) is divisible by:
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If 893x2 is divisible by 56, and x > 6, find x.
If a cube of a number is subtracted from (153)², the number so obtained is 1457, Find the number.
A number becomes 90 more than itself when 120% of it is added to it. What number is obtained after the addition?
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