Question
A student's scores in four subjects are in the ratio
3:4:5:6. The student achieved an overall average of 72% on the exam. If the maximum possible score for each subject is the same, in how many subjects did the student exceed 75%?Solution
CORRECT OPTION: d SOLUTION: Let the total maximum marks of each subject = 100 Total maximum marks of all 4 subjects = 400 Total obtained marks = 72% of 400 = 288 Let the marks of the students in each subject be 3x, 4x, 5x and 6x 3x+4x+5x+6x = 288 18x = 288 x = 16 marks in each subject = 3x, 4x, 5x, 6x = 48, 64, 80, 96 in only 2 subjects he scored more than 75%.
Monocropping depletes quality of soil whereas Rotation of crop is essential for
What is the budget allocation for the Ministry of Rural Development for 2024-25?
According to the most recent estimates for 2024-25, what is the total milk production in India?
Blue – green algae grow best in:
As per the Agriculture Census, which category of operational holding is defined as ‘below 1.00 hectare’?
Vinegar concentration should not be more than
How many crops are covered under the Minimum Support Price (MSP) scheme as of 2025-26?
As per the Union Budget 2025-26, the budget allocation for the Ministry of Rural Development is approximately ____ .
What is the expected additional income for each SHG under the Namo Drone Didi scheme?
In a process of global nitrogen cycle which among the following is not the key step?
