Question :
Study the above table and answer the question. The ratio of the total number of students scoring marks less than 50% to that of scoring marks exactly 50% is:
Option 1: 111 : 12
Option 2: 111 : 24
Option 3: 101 : 24
Option 4: 101 : 12
Correct Answer: 111 : 24
Solution : As per the given graph, The total number of students = 600 + 400 + 375 + 350 + 300 = 2025 The number of students scoring marks less than 50% = 270 + 120 + 300 + 220 + 200 = 1110 The number of students scoring marks more than 50% = 600 × 0.55 + 400 × 0.4 + 375 × 0.20 + 350 × 0.1 + 300 × 0.25 = 330 + 160 + 75 + 35 + 75 = 675 The number of students scoring exactly 50% = 2025 – 1110 – 675 = 240 The required ratio = 1110 : 240 = 111 : 24 Hence, the correct answer is 111 : 24.
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Question : Calculate the mean from the following table.
Option 1: 33.4
Option 2: 32.6
Option 3: 35.8
Option 4: 34.2
Question : Study the given table and answer the question that follows.
The average number of children per family is :
Option 1: 1.47
Option 2: 1.59
Option 3: 1.23
Option 4: 1.72
Question : Directions: Study the given pattern carefully and select the number that can replace the question mark (?) in it.
Option 1: 36
Option 2: 32
Option 3: 42
Option 4: 38
Question : The table below shows the number of students commuting to school by different modes of transport:
Which mode of transport is used by a maximum number of students?
Option 1: Bicycle
Option 2: Walking
Option 3: Other vehicles
Option 4: School bus
Option 1: 8
Option 2: 14
Option 3: 10
Option 4: 12
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