For irrigational purposes, a farmer uses a tank of water. He uses a pipe during night to fill the tank, so that he could use the tank of water in the morning to irrigate his farm. The pipe fills the tank in 3 hours but on the particular day,because of a leak in the tank, the pipe takes 4.5 hours to fill it. In how many hours can the tank be completely emptied by the leak alone
The sum of squares of 3 numbers is 170, while the sum of their products taken two at a time is 157.What is the sum of the numbers
A group of 4 students is to be chosen from 3 boys and 5 girls.Find the probability that the group contains exactly 3 girls
Five students have not been absent for the entire first semester. They are asked to draw one pass each from a bag that has 5 movie passes and 5 meal passes. Parul and Mini are the first two students to draw the pass simultaneously. What is the probability that they both draw movie passes
What is the least number by which 16,800 must be divided to get a number which is perfect square
What is the value of log3(1.5) +log3 (6)
The LCM and HCF of two numbers are 2970 and 30 respectively. Prime factors of the product of two numbers are:
Which smallest number should be multiplied by 45 so that it will have 3 distinct prime factors
A man walks 1 km towards West and then he turns towards South and walks 7 km. Again, he turns towards North and walks 1 km. After this, he turns towards East and walks 9 km. Now, how far is he from the starting point
Select the right option from the given alternatives. A17R : D12P :: G7N :
what is next in the number series 9, 54, 135, 252
Whats next P3M: N4J: R3P:
Internet : Connectivity :: Cell phone :