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given rectangular water tank is 80 m 40 m volume of rectangular water tank = volume of water filled by the pipe (area of pipe × speed of flow of water) volume of rectangular water tank = 8000x × 4000 {80 m = 8000 cm, 40 m = 4000 cm} 8000x× 4000 = 40 × 10 × 1000 × 100 {1km = 1000m, 1m = 100cm} x = 10/8 { height raised in 1 hr} height raised in 30 minutes = 5/8
The average of five even numbers is 60. If we replace two of these even numbers, 84 and 92, with a single even number X, the new average decreases by 4....
The batting average of 40 innings of a cricket player is 50 runs. His highest score exceeds his lowest by 172 runs. If the two are excluded, the average...
The average weight of 4 persons is 46 kg. The heaviest person’s weight is 28 kg more than the lightest person’s weight. If the average weight of the...
If average of first 11 numbers is (n – 46) and the sum of remaining number is 1850. Find the value of ‘n’, if the average of 25 numbers is ‘n’...
5 positive numbers are written on a piece of paper. Sum of first 3 numbers is 50 and ratio of the 4th and the 5th number is 2:3. If difference between t...
In an office, the average weight of women is 34 kg and the average weight of men is 30 kg. If the number of women is three times the number of men, what...
5 positive numbers are written on a piece of paper. Sum of first 3 numbers is 40 and ratio of the 4th and the 5th number is 2:3. If difference between t...
There are 5 consecutive odd and 3 consecutive even numbers. The sum of five consecutive odd numbers is 120 and the lowest even number is 4 more than the...
