Choose the correct option. On an average, a content developer can develop 6 questions in an hour. Resource manager wants to complete the project of 2400 questions in 20 hours. How many developers should he take in his team? (a) 30 (b) 20 (c) 40 (d) 10

Why what number should 5 to the power -1 so that the product may equal to - 7 to the power minus 1 answer with process 

A farmer planted some mango trees in a grid. If he adds 5 more rows with 4 trees in each, the total number of trees increases by 25%. Find the original number of trees in the orchard. (Hint: Set up a linear equation)

Find the square root of 60.84 by using with division method 

How many square numbers are there between 1000 and 1500

Class 8 maths chapter 1 exercise 1.4 ka question answer