Question

DIRECTIONS for questions 1 to 4: Refer to the data and answer the questions that follow.
Shweta appeared for an exam in her college. The exam had five subjects, namely Biology, Chemistry
Mathematics, Physics and Statistics. Each subject had two papers, named Paper-I and Paper-II
Both papers of each subject had maximum marks out of 100 and it is known that marks score
by her in all the papers of all the subjects were integers.
Following table shows the sum of her total marks (sum of the marks in Paper-I and Paper-I
and the sum of her marks only in Paper-I in the combination of three subjects:
Combination
Sum of Total marks
Sum of marks in Paper-I
490
420
450
234
Physics + Chemistry + Biology
Physics + Mathematics + Statistics
Chemistry + Biology + Mathematics
Physics +-Chemistry + Statistics
Biology+ Mathematics + Statistics
480
410
235
Further it is known that the ratios of her marks in Paper-I to her marks in Paper-II in the
subjects (in no particular order) were 7:3, 13:7, 3:2, 1:1 and 2:3.​

Answer 1

Answer:

bhai mai class 7th ka student hun mujhe itni maths samajh mai nahi ati

SORRY