App Logo

No.1 PSC Learning App

1M+ Downloads
Three numbers are in the ratio 4:5:6, and the average is 25. The largest number is

A42

B30

C36

DNone of these

Answer:

B. 30

Read Explanation:

Let three numbers are 4x, 5x and 6x Sum of 3 numbers = 25x3=75 4x+5x+6x=75 15x=75 x=75/15 =5 The largest number= 6x=6*5=30


Related Questions:

The average of 10 numbers is 12. If 3 is subtracted from each number, what will be the new average?
What is the average of even numbers from 1 to 50?
The average weight of a group of 20 boys was calculated to be 65 kg and it was later discovered that the weight of a boy was misread as 76 kg instead of the correct weight 66 kg. The correct average weight was:
ഒരു ക്ലാസ്സിലെ 11 കുട്ടികളുടെ ഭാരങ്ങളുടെ ശരാശരി 43 കി.ഗ്രാം ആണ്. 40 കി.ഗ്രാം ഭാരമുള്ള ഒരു കുട്ടി കൂടി ഇതിലേക്ക് ചേർത്താൽ, ശരാശരി ഭാരം എത്ര ?
Average age of three boys is 22 years. If the ratio of their ages is 6 : 9 : 7, then the age of the youngest boy is