പതിനൊന്ന് തുടർച്ചയായ ഇരട്ട സംഖ്യകളുടെ ശരാശരി 24 ആണ്. ഏറ്റവും ഉയർന്ന നമ്പറിനും ഏറ്റവും താഴ്ന്ന നമ്പറിനും ഇടയിലെ വ്യത്യാസം എത്ര?

Challenger App

Home/

Questions/

Maths/

Average

No.1 PSC Learning App

★

1M+ Downloads

Get App

The average of eleven consecutive even numbers is 24.What is the difference between the highest and the lowest numbers?

A20

B18

C10

Dcan not be determined

Answer:

A. 20

Read Explanation:

Sum of 11 consecutive even number is = 24 × 11 = 264 Sn = n/2(2a+(n−1)d) 264 = 11/2(2a + 10 × 2) 264 = 11/2(2a + 20) 2a + 20 = 48 a = 14 highest = 34 Difference = 34 - 14 = 20

Read more in App

Related Questions:

Kanchan bought 52 books for Rs 1130 from one shop and 47 books for Rs 920 from another. What is the average price (in Rs) he paid per book ?

Average age of 8 men is increased by 3 years when two of them whose ages are 30 and 34 years are replaced by 2 persons. What Is the average age of the 2 persons?

രാജുവിന് ഒന്നാം പാദപരീക്ഷയിൽ 62 മാർക്കും രണ്ടാം പാദ പരീക്ഷയിൽ 48 മാർക്കും കിട്ടി. വാർഷിക പരീക്ഷയിൽ ഏറ്റവും കുറഞ്ഞത് എത്ര മാർക്ക് കിട്ടിയാൽ ശരാശരി 60 മാർക്ക് കിട്ടും ?

20 students of a college went to a hotel. 19 of them spent Rs. 175 each on their meal and the 20th student spent Rs. 19 more than the average of all the 20. Find the total money spent by them.

The average age of 4 persons is 42 years. If their ages are in the ratio of 1: 3: 4: 6 respectively, find out the difference between the ages of the eldest and the youngest person.