ഒരു ക്ലാസ്സിലെ 20 കുട്ടികളുടെ ശരാശരി വയസ്സ് 10. ടിച്ചറുടെ വയസ്സും കൂടി കൂട്ടി യാൽ ക്ലാസ്സിലെ ശരാശരി വയസ്സ് 2 കൂടും. ടീച്ചറുടെ വയസ്സെത്ര ?
A50
B45
C47
D52
No.1 PSC Learning App
★
★
★
★
★
Related Questions:
The average age of the Indian cricket team playing in the Capetown test match is 28 years. If the average age of 10 players except the Captain is 27.8 years, then the age of the Captain is:
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 –
What is the average of the first 100 natural numbers?
A batsman has a definite average for 11 innings. That batsman scores 120 runs in his 12th innings due to which his average increased by 5 runs. Accordingly, what is the average of the batsman after 12 innings?
The average age of 40 students of a class is 18 years. When 20 new students are admitted to the same class, the average age of the students of the class is increased by 6 months. The average age of newly admitted students is