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Part filled by A in 1 hour = 1/15 ; Part filled by B in 1 hour = 1/25 ⇒ Part filled by ( A + B) in 1 hour = ( 1/15 + 1/25 ) = 8/75 ∴ Hence, both the pipes together will fill the tank in 75/8 hours.
A man is 60% more efficient than a boy. Together, two boys and one man can finish a task in 15 days. How many boys would be needed to complete the same ...
The nine digit number 9x48879y4 is divisible by 88. Find the value of √xy, given that x < 8 and y < 8.
A piggy bank holds 10-paise, 20-paise, and 50-paise coins in the ratio of 17:19:8. If the total value of all the coins combined is Rs. 2280, determine t...
A cuboidal box has dimensions of length = 18 cm, breadth = 15 cm, and height = 10 cm. If the breadth is increased by 20% and the height is decreased by ...
If '+' means '-' , '-' means 'x' , 'x' means '÷' , '÷' means '+' , then what will be the value of ' 500 x 50 - 20 ÷ 50 + 40 ' = ?
...Calculate the difference between the area of a wall having dimension 22 cm X 23 cm and the area of a spherical bowl having diameter 14cm.
The highest common factor (HCF) and the least common multiple (LCM) of two numbers add up to 680. Additionally, the LCM is 84 times the HCF. If one of t...
The average of x numbers is 24. If 60% of these numbers are reduced by 5 and the remaining 40% are increased by 10, what will be the new average of th...
Ram needs to travel from point 'A' to point 'B'. If he travels at a speed of 24 km/h, he arrives 2.5 hours later than expected. However, if he travels a...
