Question : In an examination, the average marks obtained by John in English, Math, Hindi, and Drawing were 50. His average marks in Math, Science, Social Studies, and Craft were 70. If the average marks in all seven subjects are 58, his score in math is ________.

Option 1: 50

Option 2: 52

Option 3: 60

Option 4: 74

Question : The average mark obtained in a class of 50 students is 70%. The average of the first 25 is 60% and that of 24 is 80%. What were the marks obtained by the last student?

Option 1: 90%

Option 2: 60%

Option 3: 80%

Option 4: 70%

Question : John drives 250 km at 50 km/hr and then 350 km at 70 km/hr. Find his average speed for the whole journey in km/hr.

Option 1: 55 km/hr

Option 2: 60 km/hr

Option 3: 58 km/hr

Option 4: 65 km/hr

Question : In an examination, the average marks of a student per paper were 71. If he had obtained 35 more marks in sciences; 11 more marks in history and 4 more marks in computer science, his average marks per paper would have been 76. How many papers were there in the examination?

Option 1: 10

Option 2: 12

Option 3: 18

Option 4: 15

Question : The average of marks obtained by 100 candidates in a certain examination is 30. If the average marks of the passed candidates are 35 and those of the failed candidates are 10. What is the number of candidates who passed the examination?

Option 1: 60

Option 2: 70

Option 3: 80

Option 4: 90