A swimming pool is initially filled to a depth of 96 inches. After 2 weeks, the depth has decreased to9212 inches. Assuming that the depth decreased at a constant rate, after how many days would the water depth have reached 9334 inches?

A 3
B 9
C 7
D 6

Correct Answer: 9

Bissoy MCQ
#পিএসসি ও অন্যান্য নিয়োগ পরীক্ষা #গণিত #ঐকিক নিয়ম (Unitary method) #বাংলাদেশ পেট্রোলিয়াম ইনস্টিটিউট (সহকারী পরিচালক) 18-12-2020

Related Questions

A circular swimming pool is to be filled with water. If the radius of the pool is 2m and the height of the pool is 7m, what volume of water will be required to fill the pool ?
A 88m^3
B 176m^3
C 25.14m^3
D none of these
A circular swimming pool is to be filled with water. If the radius of the pool is 2 meter and the heingt o the pool is 7m, what volume of water will be required to fill the pool π=22/7
A 88 m3
B 176 m3
C 25.14 m3
D 28 m3
An empty pool is being filled with water at a constant rate, 3/5th of the pool has filled in 7 hours. How much more time will it take to completely fill the pool?
A 5 hours 20 minutes
B 4 hours 40 minutes
C 4 hours 20 minutes
D 2 hours 48 minutes
A swimming pool is filled in 10 hours by three tankers A, B and C. The tanker C is twice as fast as B and B is twice as fast as A. How much time will tanker A alone take to fill the swimming pool?
A 90 hours
B 40 hours
C 70 hours
D 80 hours
In the middle of around pool lies a water-lily . The water-lily doubles in size every day . After exactly 20 days the complete pool will be covered by the lily. After how days will half of the pool be covered by water-lily ?
A 3
B 7
C 10
D 15
An empty pool is being filled with water at a constant rate. It takes 6 hours to fill 2/3rd of the pool. How much time will it take to completely fill the pool?
A 15
B 9
C 10
D 12
An empty pool is being filled with water at a constant rate. It takes 9 hours to fill 3/5 th of the pool. How much more time will it take to completely fill the pool?
A 15
B 9
C 10
D 12
The water in a fish tank measuring 114 feet by 8 inches is 7 inches high. The water is poured into another tank measuring 14 inches by 20 inches. What will be the height of water, in inches, in the second tank?
A 1/4
B 2
C 3
D 1/12
An empty swimming pool can be filled to capacity through an inlet pipe in 3 hours, and it can be completely drained by a drainpipe in 6 hours . If both pipes are fully open at the same time , in how many hours will the empty pool be filled to capacity?
A 4
B 6
C 5
D 5.5
An empty swimming pool with a capacity of 5760 gallons is filled at the rate of 12 gallons per minute, how many hours would it take to fill the pool to the capacity?
A 8
B 20
C 96
D 480

Next steps