General Knowledge :: Testing allindiaexams
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Find the mean proportional of the following pairs of numbers 6 and 24.
- Find the mean proportional of the following pairs of numbers 50 and 512.
- A gardener wants to plant trees in his garden in rows in such a way that the number of trees in each row to be the same. If there are 24 rows the number of trees in each row is 42 if there are 12 more rows find the number of trees in each row?
- In an exam, a candidate secured 504 marks our of the maximum mark of M. If the maximum mark M is converted into 800 marks, he would have secured 384 marks. What is the value of M?
- In a fort, there are 1200 soldiers. If each soldier consumes 3 kg per day, the provisions available in the fort will last for 30 days. If some more soldiers join, the provisions available will last for 25 days given each soldier consumes 2.5 kg per day. Find the number of soldiers joining the fort in that case.
- 15 binders can bind 1400 books in 21 days. How many binders will be required to bind 1600 books in 20 days?
- If A:B = 2:3, B:C = 4:5 and C:D = 6:7, then A:B:C:D is:
- The salaries of A, B, C are in the ratio 2:3:5. If the increments of 15%, 10% and 20% are allowed respectively in their salaries, then what will be the new ratio of their salaries?