Question : The table given below shows the marks obtained by boys and girls in different subjects.
L1 = The difference between marks obtained by boys and girls in all subjects. L2 = The value of the average of marks obtained by boys in C, D, and E. What is the value of (L1 – L2)?
Option 1: 40
Option 2: 20
Option 3: 10
Option 4: 50
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Correct Answer: 20
Solution : The difference between marks obtained by boys and girls in all subjects, L1 = (60 + 80 + 140 + 120 + 100) – (120 + 100 + 40 + 60 + 40) ⇒ L1 = 500 – 360 = 140 $\text{Average}=\frac{\text{Sum of all the values}}{\text{Number of all the values}}$ The value of the average of marks obtained by boys in C, D, and E = L2 = $\frac{140+120+100}{3}= \frac{360}{3}$ = 120 The value of L1 – L2 = 140 – 120 = 20 Hence, the correct answer is 20.
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Question : The table given below shows the marks obtained by five students in an examination.
What is the ratio of marks obtained by D to the marks obtained by E?
Option 1: 5 : 3
Option 2: 7 : 4
Option 3: 5 : 4
Option 4: 7 : 3
Question : The table given below shows the production of television and fridges by different companies.
J1 = The value of average production of fridges by D and E. J2 = The total production of television and fridges by all companies. What is the value of (J2 – J1)?
Option 1: 456.2
Option 2: 314.5
Option 3: 465
Option 4: 422.5
Question : The table given below shows the marked price and the value of the discount of five different articles.
Selling price = Marked price – Discount L1 = The value of the average discount of articles C and D. L2 = Sum of the selling price of all articles. What is the value of L1 + L2?
Option 1: 2756
Option 2: 2687
Option 3: 2816
Option 4: 2618
Question : The table given below shows the number of students in 6 different schools.
The number of students in school A is what percentage of the number of students in school F?
Option 1: 41.66%
Option 2: 200%
Option 3: 240%
Option 4: 120%
Question : The table shows the number of boys and girls in the schools. Which school has the minimum number of students?
Option 1: 2
Option 2: 3
Option 3: 5
Option 4: 1
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