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KCPE revision questions and answers on the mean

KCPE revision questions and answers on the mean. Answers are available in video format.

Lessons (14)

• 1.    The mean age of Mbaya, Bogi, Khadija and Hussein is 11 years. Bogi is twice as old as Mbaya. Khadija and Hussein are 10 years old. How old is Bogi? A. 16years B. 24years C. 20years D. 8years
  6m 22s

• 2.    The mean weight of 6 girls is 30kg. The total weight of 4 of the same girls is 128kg. If the remaining 2 girls weigh the same, what is the weight of each of the two girls? A. 26 B. 30 C. 52 D. 32
  4m 46s

• 3.    Atieno was born when her father was 27 years old and her mother 24 years. After how many will the mean age of Atieno and her parents be 30 years? A. 13 B. 17 C. 39 D. 3
  6m 2s

• 4.    Mutiso delivered milk to a dairy in the mornings and in the afternoons. During the month of March, he delivered an average of 78 litres every morning. If he delivered a total of 3813 litres, what is the average number of litres he delivered every afternoon? A. 45 B. 49 C. 123 D. 1395
  7m 4s

• 5.    Ten pupils in a class sat for a test and had a mean score of 6.3. The score of nine of the pupils were 3, 4, 5, 6, 7, 8, 8, 8 and 9. What was the score of the tenth pupil? A. 5 B. 7 C. 8 D. 10
  4m 35s

• 6.    The table below shows the number of pupils present in a class in one week. What was the mean attendance of the class that week? A. 45 B. 43 C. 42 D. 40
  3m 14s

• 7.    A farmer sold milk for all days of the week. The table below shows the amount of milk the farmer sold for six of the seven days. One kilogram of milk was sold at sh. 18. If the mean sale per per day was 380kg, how much more money did the farmer get from selling the milk on Friday than on Tuesday? A. Sh. 7290 B. Sh. 5670 C. Sh. 1620 D. Sh. 1170
  8m 15s

• 8.    In a class of 50 pupils, the mean score in an English test is 60. The mean score for the last 40 pupils was 55. What was the total score for the first 10 pupils? A. 600 B. 800 C. 2200 D. 3000
  4m 58s

• 9.    Below is the number of tree seedling planted by each pupil on a tree planting day: 8 15 11 9 17 14 12 14 13 10 18 8 9 16 13 13 10 12 What was the mean number of seedlings planted by each pupil? A. 12#1/3# B. 222 C. 12#1/2# D. 13
  4m 15s

• 10.    The heights in centimeters of 10 pupils are given below: 169, 173, 158, 170, 159, 171, 163, 159, 180, 167 What is the mean height of the pupils? A. 159cm B. 166.6cm C. 168cm D. 166.9cm
  3m 53s

• 11.    Ali and Maingi sat for five subjects in an examination. The total marks for Maingi were 15 less than those of Ali. The mean mark for Ali was 65. What was the mean mark for Maingi? A. 50 B. 62 C. 68 D. 310
  3m 40s

• 12.    The mean mass of four pupils was 49.5kg. when the masses of another pupil and a teacher were included, the mean mass become 53kg. if the mass of the pupil was 16kg less than that of the teacher, what was the teacher’s mass? A. 44kg B. 52kg C. 76kg D. 68kg
  8m 12s

• 13.    The mean height of 8 adults is 1m 42cm. the height of six of the adults were recorded as follows: 1m 36cm, 1m 41cm, 1m 52cm, 1m 30cm, 1m 50cm, 1m 37cm The remaining two adults are of equal heights. What is the height of each of the remaining adults? A. 1m 40cm B. 1m 41cm C. 1m 43cm D. 1m 45cm
  12m 55s

• 14.    The number of pupils present in a class in a certain week is shown in the table below. What was the mean attendance for the class that week? A. 36 B. 42 C. 43 D. 45
  3m 4s