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The average temperature of Monday, Tuesday, Wednesday and Thursday is 50°. The average temperature for Tuesday, Wednesday, Thursday and Friday is 60°....
The average of six numbers is 8. When three new numbers are included in such a way that the first number is twice the second and second number is thri...
The average weight of A, B and C is 45 kg. If the average weight of A and B be 40 kg andthat of B and C be 43 kg, then the weight of B is :
The average age of A and B is 3 years more than the average age of A and C. If B’s current age is 4/3 times A’s age, and C is 2 years older than A, ...
2040, 600, 240, 150, ?, 121.875
The average age of a class of 23 girls is 15 years. If 2 new girls having average age of 10 years join the class, then the average age of the class beco...
The average cost price of 18 pens (having equal cost price) decreased by Rs.2, when one of the pen is replaced by a new pen having cost price of Rs.74. ...
Three numbers are given such that when the average of any two numbers is added to the third number, the resulting sums are 350, 330, and 310. Determine ...
Average of 20 numbers is 90. Average of first 8 numbers is 103 while average of last nine numbers is 40. If ninth number is 25% less than the tenth numb...
The average weight of five friends A, B, C, D and E is (x+8) years while the average weight of C and E is (x-8) kg. If the weight of another person F is...