For the following questions answer them individually
A person bought a table and a chair for ₹2,200. He sold the table at a gain of 15% and the chair at a loss of 5%, thereby gaining 4% on the whole. Find the cost of the table.
A cenain sum amounts to ₹9,900 in 4 years and to ₹11,700 in 7 years at the same rate per cent per annum at simple interest. What will be the amount (in ₹) of the same sum at $$9\frac{2}{3}\%$$ for $$2\frac{1}{4}$$ years at simple interest?
The ratio of two numbers a and b is 5 : 8. If 5 is subtracted from a and 3 is added to b, then the ratio becomes 8 : 15. What is the difference between the two original numbers?
The sum of two numbers is 35 and the HCF and LCM of these numbers are 5 and 60, respectively. Find the sum of the reciprocals of the numbers.
A cylindrical tank is 80 cm in diameter and 5.6 m in height. The cost (in ) of painting the curved surface of the tank at the rate of20/$$m^{2}$$ is:
(Take $$\pi = \frac{22}{7}$$)
Select the option that can be used as a one-word substitute for the given group of words.
The branch of biology that deals with the relations of organisms to one another and to their physical surroundings.
Select the most appropriate option to fill in the blank.
It is a disorder that manifests usually in middle ______.
Parts of the given sentence have been given as options. One of them contains a grammatical error. Select the option that has the error.
Lack of calcium in human body usually leads against several health complications.
The following sentence has been split into four segments. Identify the segment that contains a grammatical error.
Sharada was cooking lunch / when I am going / to give her / the mobile phone.
