Subject
Quantitative Aptitude
Topic
Percentage
At an examination in which maximum marks are 500. K got 10% less than L, L got 25% more than M and M got 20% less than N. If K got 360 marks what percentage of marks was obtained by N ?
At an examination in which maximum marks are 500. K got 10% less than L, L got 25% more than M and M got 20% less than N. If K got 360 marks what percentage of marks was obtained by N ?
ক)
80খ)
87গ)
78ঘ)
76Explanation
Let marks obtained by N = x M's marks = 0.80x L's marks = 1.25 (0.80x) K's marks = (0.90) (1.25) (0.80x) = 0.9x But 0.9x = 360 ⇒ x = 400 Percentage of Marks obtained by N = 400 x 100/500 = 80%Related questions
The true discount on a bill of Tk. 540 is Tk. The banker's discount is:The present worth of a sum due sometime hence is Tk. 576 and the banker's gain is Tk. The true discount is:In a class, 120 students are male and 100 students are female 25% of the male students and 20% of the female students are engineering students. 20% of the male engineering students and 25% of the female engineering students passed the final exam, what percentage of engineering students passed the exam?Tk. 20 is the true discount on Tk. 260 due after a certain time. What will be the true discount on the same sum due after half of the former time, the rate of interest being the same?if 75% of a number is added to then the result is the number itself . The some of the number isThe present worth of Tk. 2310 due 2×(1/2) years hence, the rate of interest being 15% per annum, is:The banker's gain on a bill due 1 year hence at 12% per annum is Tk. The true discount is:A sum of money invested at compound interest amounts to Rs 4624 in 2 yrs and Rs 4913 in 3 yrs. The sum of money is