Start learning 50% faster. Sign in now
Time taken to fill the tank with the leak = 8 + 2 = 10 hours Let the capacity of the tank be 40 units Efficiency of filling without leak = 40/8 = 5 units/hour Efficiency of filling with leak = (40/10) = 4 units/hour Efficiency of leak = 5 – 4 = 1 unit/hour Required time taken = (40/1) = 40 hours
If x and y are two digits of the number 85254xy such that this number is divisible by 90. Find the minimum value of x + y?
If the difference between two numbers is 52 and they are in the ratio 7 : 3, then find the greater of the two numbers.
A Student was asked to add 8 and subtract 5 from a number. By mistake, he added 5 and subtracted 8. If his answer is 11, what should be the correct answer?
103² + 75² - 25² =?
If a, 1, b are in arithmetic progression and 1, a, b are in geometric progression, then a and b are respectively equate to _______ (where a ≠ b).
The cube of the difference between two given natural numbers is 1728, while the product of these two given numbers is 108. Find the sum of these two giv...
Out of 3 √4, √2, 6 √3, 4 √5 which number is the biggest?