Mathematics

Q211

While watching TV for 1 hour, you count 20 commercials each 30 seconds long. What percent of time is used?

Q212

A hall is 15m long and 12m wide. If floor + ceiling area equals wall area, volume is

Q213

A player drank 10 bottles of water in a cricket match. The capacity of each bottle is 1.5 liter. How many liters of water the player drank?

Q214

A square shaped wedding hall has an area of 18 m2. Find the cost of tile flooring at the rate of Rs. 725 per square meter?

Q216

Two vessels A and B contain spirit and water mixed in the ratio 5: 2 and 7: 6 respectively. Find the ratio in which these mixtures be mixed to obtain a new mixture in vessel C containing spirit and water in the ratio 8: 5?

Q217

In a caravan, there are 50 hens, 45 goats, 8 camels and some keepers. If total feet exceed heads by 224, find keepers.

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