Average (SSC) (Part-3)

Total Questions: 50

41. John buys 20 kg of wheat at ₹30 per kg and 30 kg of wheat at ₹50 per kg. Find his average price. [Higher Secondary 25/06/2024 (Shift-2)]

Correct Answer: (c) ₹42 per kg
Solution:

42. Class X has 45 students scoring average marks of 30 and class Y has 35 students scoring average marks of 18. Find the average marks of the students of both classes together. [Higher Secondary 25/06/2024 (Shift-2)]

Correct Answer: (b) 24.75
Solution:

43. The average weight of 10 persons is increased by 3.5 kg, when one of them whose weight is 45.5 kg is replaced by a new man. The weight (in kg) of the new man is __________ . [Higher Secondary 26/06/2024 (Shift-2)]

Correct Answer: (c) 80.5
Solution:

44. The average of 12 numbers is 47. The average of the first 5 numbers is 45 and the average of the next 4 numbers is 52. If the 10th number is 10 less than the 11th number and is 5 more than the 12th number, then what is the average value of the 11th and 12th numbers? [Graduate Level 20/06/2024 (Shift-3)]

Correct Answer: (a) 44.5
Solution:

45. A fruit seller has 10 kg of apples and 5 kg of grapes. The price of 1 kg of apples is ₹94.50 and that of grapes is ₹105. He sold all the fruits with him. What is the average amount (in ₹) received by the fruit seller? [Graduate Level 21/06/2024 (Shift-3)]

Correct Answer: (c) 98
Solution:

46. The university has 750 faculty (male and female only) out of which the females are 60%. The average height of females is 162 cm and that of males is 168 cm. What is the average height of the faculty (in cm) of the university? [Graduate Level 21/06/2024 (Shift-3)]

Correct Answer: (d) 164.4
Solution:

47. The average weight of a group of 15 students is 70 kg. Five more students of weight 65 kg, 68 kg, 45 kg, 77 kg and 62 kg join the group. What is the change in the average weight (rounded off to the nearest integer) of the group? [Graduate Level 24/06/2024 (Shift-3)]

Correct Answer: (d) Decreases by 2 kg
Solution:

48. The average weight of Rohan and his three friends is 62 kg. If Rohan's weight is 8 kg more than the average weight of his three friends, what is Rohan's weight (in kg)? [Graduate Level 25/06/2024 (Shift-3)]

Correct Answer: (c) 68
Solution:

49. The average monthly income of A and B is ₹5,050, the average monthly income of B and C is ₹6,250, and the average monthly income of A and C is ₹5,200. What is the sum of the monthly incomes (in ₹) of A, B and C? [Graduate Level 25/06/2024 (Shift-3)]

Correct Answer: (b) 16500
Solution:

50. If the average score of a cricketer in three matches is 38 and in two other matches is 23, then what is the average score in all five matches? [Graduate Level 26/06/2024 (Shift-3)]

Correct Answer: (a) 32
Solution: