For the following questions answer them individually
A certain sum becomes double in 2 years at a certain rate per annum compound interest. The number of years it will become 4 times at the same compound interest rate is:
The marked price of an article is ₹850. If a shopkeeper sold the article at 15% loss after giving 30%, discount, then the cost price of the article is:
A store announces two successive discounts of 30% and 25%. What is the final sale price (in ) of a shirt costing 1,200?
The length and breadth of a rectangular field are in the ratio 4 : 3. If the cost of cultivating the field at ₹2 per $$m^{2}$$ is ₹600, then the length of the field is:
Select the option that can be used as a one-word substitute for the given group of words.
A partner in crime
The following sentence has been split into four segments. Identify the segment that contains a grammatical error.
John wanted to know / if will John / come to the college / in the evening.