21 സംഖ്യകളുടെ ശരാശരി കണക്കാക്കിയപ്പോൾ 8 എന്ന് കിട്ടി. ഇവയിൽ ആദ്യത്തെ 10 സംഖ്യകളുടെ ശരാശരി 7 ഉം അവസാന 10 സംഖ്യകളുടെ ശരാശരി 9 ഉം ആയാൽ പതിനൊന്നാമത്തെ സംഖ്യ ഏത് ?
A16
B2
C8
D77
No.1 PSC Learning App
★
★
★
★
★
Related Questions:
A class of 30 students appeared in a test. The average score of 12 students is 80, and that of the rest is 75. What is the average score of the class?
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 of prime numbers between 20 and 40 is _____ .
The average of 1, 3, 5, 7, 9, 11, -------- to 25 terms is
The average of the marks of 14 students in a class is 66. If the marks of each student are doubled, find the new average?