A. 5/4
B. 4/7
C. 5/6
D. 6/7
E. None of these
Explanation:
Let the fraction be x/y.
When the numerator decreased by 25% and the denominator decreased by 20%.
(x * 3/4)/(y * 4/5) = 3/4 => x/y = 3/4 * (4/5)/(3/4) = 4/5
Related Mcqs:
- The denominator of a fraction is 1 less than twice the numerator. If the numerator and denominator are both increased by 1, the fraction becomes 3/5. Find the fraction?
A. 2/3
B. 3/5
C. 4/7
D. 5/9
E. None of these - If the numerator of a fraction is increased by 20% and its denominator is diminished by 25% value of the fraction is 2/15. Find the original fraction.
A. 1/12
B. 1/8
C. 1/6
D. 1/4 - If the numerator of a fraction is increased by 140 % and the denominator is increased by 150 % the resultant fraction is 4/15 what is the original fraction?
A. 3/5
B. 5/16
C. 2/9
D. None of these - If the numerator of a fraction is increased by 250 % and the denominator is increased by 400 % the resultant fraction is 7/19. What is the original fraction?
A. 10/19
B. 5/9
C. 9/5
D. 19/7 - The total marks obtained by a student in Physics, Chemistry and Mathematics is 150 more than the marks obtained by him in Physics. What is the average mark obtained by him in Chemistry and Mathematics?
A. 75
B. 150
C. 50
D. None of these - If the height of a triangle is decreased by 40% and its base is increased by 40% what will be the effect on its area?
A. No change
B. 8%decrease
C. 16% Decrease
D. 16%increases - The length of a rectangle is increased by 25% and its breadth is decreased by 20%. What is the effect on its area?
A. Remains same
B. 5% decrease
C. 5% increase
D. 10% increase - The number obtained by interchanging the two digits of a two-digit number is less than the original number by 45. If the sum of the two digits of the number so obtained is 13, then what is the original number?
A. 49
B. 94
C. 83
D. Either (a) or (b)
E. None of these - A rectangle has 15 cm as its length and 159 cm2 as its area. Its area is increased to 1 1/3 times the original area by increasing only its length its new perimeter is:_________?
A. 50 cm
B. 60 cm
C. 70 cm
D. 80 cm - Water tax is increased by 20% but its consumption is decreased by 20 %. Then, the increase or decrease in the expenditure of the money is:________?
A. No change
B. 5 % decrease
C. 4 % increase
D. 4 % decrease