The average cost of three mobiles A, B and C of a certain company is Rs. 30000. The average cost decrease by 20% when mobile D of the same company is included. What is the cost price of mobile D?
A5800
B6400
C7500
D6000
No.1 PSC Learning App
★
★
★
★
★
Related Questions:
4 കുട്ടികളുടെ ഗണിത പരീക്ഷയുടെ ശരാശരി സ്കോർ 59 ആണ്. ഒരു കുട്ടിയുടെ സ്റ്റോർ കൂടി ചേർന്നപ്പോൾ ശരാശരി 60 ആയി എങ്കിൽ അഞ്ചാമത്തെ കുട്ടിയുടെ സ്കോർ എന്ത്?
The sum of five numbers is 655. The average of the first two numbers is 76 and the third number is 110. Find the average of the remaining two numbers?
The average age of 50 teachers of a school is 66 years and the average age of 60 teachers of another school is 55 years. What will be average age of teachers of both the schools together?
The average of eight numbers is 20. The average of five of these numbers is 20. The average of the remaining three numbers
is