The mean of 10 observations is 13. Two more observations are included and the new mean becomes 14. The mean of two new observations is
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Which of the following is an example of thermoplastics?
A sum becomes Rs 8800 in 4 years at simple interest at the yearly interest rate of 25% per annum. What is the sum (in Rs)?
The angles of depression of two ships from the top of a light house are 45° and 30° toward east. If the ships are 200m apart, the height of the light house is (take √3=1.73)
Which of the following is correct?
Which of the following gases emitted from automobile exhaust is poisonous?
The soil found in the Eastern and Western coasts of India is _____.