Challenger App

No.1 PSC Learning App

1M+ Downloads
8 വിഷയങ്ങളുടെ ശരാശരി മാർക്ക് 74 ആയി കണക്കാക്കി. പിന്നീട് ഒരു വിഷയത്തിന്റെ മാർക്ക് 89 എന്നതിന് പകരം 98 എന്ന് തെറ്റായി വായിച്ചതായി കണ്ടെത്തി. ശരിയായ ശരാശരി എന്താണ്?

A68.75

B70.25

C72.875

D82.5

Answer:

C. 72.875

Read Explanation:

8 വിഷയങ്ങളുടെ ആകെ മാർക്ക് = 74 × 8= 592 ശരിയായ മാർക്ക് = 592 - 98 + 89 = 583 ശരിയായ ശരാശരി = 583/8 = 72.875


Related Questions:

A shop is closed on Sunday. The average sales per day for remaining six days is Rs. 8240 and the average sales from Monday to Friday is 9000. The sales on Saturday is?
The average age of 17 players is 22. when a new player is included in the squad, the average age became 23. What is the age of the player included
The average of nine numbers is 60, that of the first five numbers is 55 and the next three is 65. The ninth number is 10 less than the tenth number. Then, tenth number is :
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 ?
The average of 15 results is 21. The average of the first 7 of those is 21 and the average of the last 7 is 20. What is the 8th result?