The percentage of number of students getting at least $60$ % marks in Chemistry over those getting at least $40$ % marks in aggregate, is approximately?

21

No worries! We‘ve got your back. Try BYJU‘S free classes today!

27

No worries! We‘ve got your back. Try BYJU‘S free classes today!

29

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

31

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Open in App

Solution

The correct option is C $29$ %
Number of students getting at least $60$ % marks in Chemistry
$=$ Number of students getting 30 and above marks in Chemistry
$= 21$ .
Number of students getting at least $40$ % marks in aggregate
$=$ Number of students getting $20$ and above marks in aggregate
$= 73$ .
Required percentage $= (\frac{21}{73} \times 100)$ %
$= 28.77$ %
$\approx 29$ %.

Suggest Corrections

Similar questions

Q. What is the different between the number of students passed with

30

as cut-off marks in Chemistry and those passed with

30

as cut-off marks in aggregate?

Q. There are three papers of

100

marks each in an examination. In how many ways can a student get

150

marks such that he gets at least

60

in two papers?

Q. In an examination it is required to get

540

of the aggregate marks to pass. A student gets

432

marks and is failed by

9 %

marks.How much maximum aggregate marks a student can get?

Q. 21.Ravi obtained 70 and 75 marks in first two unit test. Find the minimum marks heshould get in the third test to have an average of at least 60 marks.

In a class of five students, the table shows the marks obtained by 5 students in Maths,

Physics and Chemistry. Find the answer of following questions.

a) Which roll no. secured maximum marks?

b) Are there any students who scored equal marks?

c) Who got least aggregate marks?

d) How much marks scored by roll no. 4?

$\begin{matrix} R o l l N o . & M a t h s & P h y s i c s & C h e m i s t r y 1 & 67 & 78 & 67 2 & 57 & 78 & 75 3 & 78 & 64 & 72 4 & 84 & 60 & 69 5 & 69 & 70 & 73 \end{matrix}$

[4 MARKS]

Join BYJU'S Learning Program

The percentage of number of students getting at least 60% marks in Chemistry over those getting at least 40% marks in aggregate, is approximately?

The percentage of number of students getting at least $60$ % marks in Chemistry over those getting at least $40$ % marks in aggregate, is approximately?