EASY
CAT
IMPORTANT
Earn 100
Price of a commodity is first increased by and then decreased by . If the new price is , find the original price.
(a)
(b)
(c)
(d)
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Important Questions on Percentages
EASY
CAT
IMPORTANT
The salary of Sahir is increased by and the rate of tax is decreased by from to . The effect is such that he is now paying the same tax as before. If in both the cases, the standard tax deduction is fixed at of the total income, find the increased salary.
EASY
CAT
IMPORTANT
Seema goes to a shop to buy a radio costing . The rate of sales tax is and the final value is rounded off to the next higher integer. She tells the shopkeeper to reduce the price of the radio so that she has to pay inclusive of sales tax. Find the reduction needed in the price of radio.
MEDIUM
CAT
IMPORTANT
A company has employees in . In of the employees left the company while no one was hired. In and , the number of employees again grew by and respectively. In , the company fired employees and at the end of , the percentage increase in the number of employees from was found to be . Find the number of employees at the end of year .
MEDIUM
CAT
IMPORTANT
The price of raw material has gone up by , labour cost has also increased from of the cost of raw material to of the cost of raw material. By how much percentage should there be a reduction in the usage of raw materials so as to keep the cost same?
MEDIUM
CAT
IMPORTANT
Mr. A is a computer programmer. He is assigned three jobs for which time allotted is in the ratio of (jobs are needed to be done individually). But, due to some technical snag, of the time allotted for each job gets wasted. Thereafter, owing to the lack of interest, he invest only , and of the hours of what was actually allotted to do the three jobs individually. Find how much percentage of the total time allotted is the time invested by A?
MEDIUM
CAT
IMPORTANT
In the mock CAT paper at Mindworkzz, questions were asked in five sections. Out of the total students, candidates cleared the cut-off in all sections, and cleared none. Of the rest, cleared only one section and cleared four sections. If of the entire candidates cleared two sections and candidates cleared three sections, find out how many candidates appeared at the mock CAT at Mindworkzz?
MEDIUM
CAT
IMPORTANT
There are three galleries in a coal mine. On the first day, two galleries are operative and after some time, the third gallery is made operative. With this, the output of the mine became half as large again. What is the capacity of the second gallery as a percentage of the first, if it is given that a four-month output of the first and the third galleries was the same as the annual output of the second gallery?
HARD
CAT
IMPORTANT
of the salty sea-water contained in a flask was poured out into a beaker. After this, a part of the water contained in the beaker was vaporised by heating and due to this, the percentage of salt in the beaker increased by times. If it is known that after the content of the beaker was poured into the flask, the percentage of salt in the flask increased by , find the original quantity of salty sea-water in the flask.
