Question : Sonali applied for a job as a Science teacher in a school. In the job test, she scored 8 in Physics, 8 in Chemistry, 6 in Biology, and 6.5 in the interview. For calculating the final score, weightage of 2, 3, 3, and 4 were assigned to Physics, Chemistry, Biology, and interview, respectively. What is the weighted average score of Sonali?
Option 1: 7
Option 2: 8.4
Option 3: 7.2
Option 4: 21
Latest: SSC CGL preparation tips to crack the exam
Don't Miss: SSC CGL complete guide
New: Unlock 10% OFF on PTE Academic. Use Code: 'C360SPL10'
Correct Answer: 7
Solution : Score in physics = 8 Score in Chemistry = 8 Score in Biology = 6 Score in Interview = 6.5 The weightage assigned to Sonali in Physics, Chemistry, Biology, and Interview = 2, 3, 3, 4 Weighted average = $\frac{(2 \times 8 + 3 \times 8 + 3 \times 6 + 4 \times 6.5)}{(2 + 3 + 3 + 4)}$ = $\frac{(16 + 24 + 18 + 26)}{(12)}$ = $\frac{84}{12}$ = 7 Hence, the correct answer is 7.
Candidates can download this ebook to know all about SSC CGL.
Answer Key | Eligibility | Application | Selection Process | Preparation Tips | Result | Admit Card
Question : The third proportional of $a$ and $\frac{b^4}{4a}$ is:
Question : A person marks an article 36% above the cost price and offers a 30% discount on the marked price. What is the loss or gain percentage?
Question : If $\frac{1}{2} $ is added to a number and the sum is multiplied by 3, the result is 21. Then the number is:
Question : When an article is sold at a 5% discount, then there is a profit of 14%. If the discount is 11%, then what will be the profit?
Question : Five members of a team are weighted consecutively, and their average weight is calculated after each member is weighted. If the average weight increases by one kilogram each time, how much heavier is the last player than the first one?
Regular exam updates, QnA, Predictors, College Applications & E-books now on your Mobile