- A14
- B1
- C70
- D15
Step-by-Step Solution
Total of all five . The visible cards add up to . Hidden card .
Answer: D) 15
Aditi lays five number cards on the table but one is face down. Her sign gives the mean of all five cards. What number is on the hidden card?
Class 7Arithmetic MeanData Handling
Master this chapter in 30 minutes a day.
Don't just memorise the answer — build a daily practice habit.
Practice 5 Similar Questions Free →All Arithmetic Mean practice questions
More Class 7 Arithmetic Mean practice
The picture shows the ages of the six members of the Sharma family. Dadi leaves to live…The bar pictures show the quiz scores of the members of a Class 7A group and a Class 7B…The mean of 6 observations is 15. If five of them are 10, 12, 14, 16 and 18, find the…If each observation in a data set is increased by 3, the mean will:The mean weight of 4 boxes is 9 kg. Three of the boxes weigh 7 kg, 8 kg and 11 kg. What…