Question: A person travels from x to y at a speed of 40Km/h and returns by increasing his speed 50%. What is his average speed for both the trips?

• 1. 36km/h
• 2. 45km/h
• 3. 48km/h
• 4. 50km/h

Question: The average of 18 observations was calculated and it was 124. Later on it was discovered that two observations 46 and 82 were incorrect. The correct values are 64 and 28. The correct average of 18 observations is___________?

• 1. 123
• 2. 137
• 3. 121
• 4. 122

Question: The average weight of A, B and C is 45 kg. If the average weight of A and B be 40 kg and that of B and C be 43 kg, then the weight of B is___________?

• 1. 17 kg
• 2. 20 kg
• 3. 26 kg
• 4. 31 kg

Question: The average weight of 16 boys in a class is 50.25 kg and that of the remaining 8 boys is 45.15 kg. Find the average weights of all the boys in the class.

• 1. 47.55 kg
• 2. 48 kg
• 3. 48.55 kg
• 4. 49.25 kg

Question: If the average marks of three batches of 55, 60 and 45 students respectively is 50, 55, 60, then the average marks of all the students is__________?

• 1. 53.33
• 2. 54.68
• 3. 55
• 4. None of these

Question: Today is khadija’s birthday. After one year, she will become two times as she was ten years ago. current age of Khadija?

• 1. 19
• 2. 20
• 3. 21
• 4. 22

Question: Find the Missing Number in the series 1, 6, 13, 22, 33 ?

• 1. 36
• 2. 40
• 3. 46
• 4. 52

Question: Calculate the Average of 1,2,3,4,5.

• 1. 1
• 2. 2
• 3. 3
• 4. 4

Question: Express 1.09 in term of Percentage.

• 1. 1.09%
• 2. 10.9%
• 3. 109%
• 4. None of these

Question: What is the Arithmetic Mean of the following data 3,6,9,12,15.

• 1. 7
• 2. 9
• 3. 12
• 4. 8