Question
The Height of a metallic hollow cylinder is 28 cm and
the difference between its inner curved surface Area and outer curved Surface area is 66cm². If the cylinder is made up of Volume 99cm³ metal. Find its inner radius.Solution
The average age of 32 children and their teacher's age are 28 years. If the teacher's age is excluded, the average reduces by 1. What is the teacher's age?
If average of first 9 numbers is (n – 50) and the sum of remaining number is 1620. Find the value of ‘n’, if the average of 21 numbers is ‘n’....
Each question contains a statement followed by Quantity I and II. Read the information clearly and answer your questions accordingly.Â
Quanti...
The average height of a volleyball team of 12 Brazilian players is 185 cm. If the height of the coach is included, the average height increases by 3 cm....
The average age of a class of 24 girls is 15 years. If 6 new girls having average age of 10 years join the class, then the average age of the class beco...
Average 20 numbers is ‘x’. If the average of first 12 numbers is 64.5 while average of last 5 numbers is 84.8 and 13th, 14th...
In a company team of 18 members, the average age is 29 years. When 6 more members join, the average age falls to 26. What is the average age of the new ...
Average age of 16 students is 18 years. If 4 students leave the class, then the average age decreases by 1.5 years. Find the average age of the students...
- The average speed of 20 vehicles during a survey was noted as 60 km/h. Later it was observed that one speed was wrongly taken as 72 km/h instead of 62 km/h...
- Three varieties of pulses priced at Rs. 28/kg, Rs. 32/kg, and Rs. ‘x’/kg are mixed in the ratio 4:3:5. If the final mixture is worth Rs. 33 per kg, the...
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