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Two persons Raj and Ramu started working for a company in similar
jobs on January 1, 1991. Raj's initial monthly salary was Rs 400, which increases by Rs 40 after every year. Ramu's initial monthly salary was Rs 500 which increases by Rs 20 after every six months. If these arrangements continue till December 31, 200. Find the total salary they received during that period.
OOPS, your answer is incorrect
If A = x% of y and B = y% of x, then which of the following is true?
OOPS, your answer is incorrect
In an election contested by two parties, Party D secured 12% of the
total votes more than Party R. If party R got 132,000 votes, by how
many votes did it lose the election?
OOPS, your answer is incorrect
Let the percentage of the total votes secured by Party D be x%
Then the percentage of total votes secured by Party R=(x–12)%
As there are only two parties contesting in the election, the sum total
of the votes secured by the two parties should total up to 100%
i.e.,x+x–12=100
2x–12=100
or 2x=112 or x=56%.
If Party D got 56% of the votes, then Party got (56 – 12) = 44% of the
total votes.
44% of the total votes = 132,000
i.e., (44100)×T=132,000
⇒ T=(132,000×10044)=300,000 votes.
The margin by which Party R lost the election = 12% of the total votes
= 12% of 300,000 = 36,000
A student multiplied a number by 3/5 instead of 5/3. What is the
percentage error in the calculation?
OOPS, your answer is incorrect
Let the number be x.
Then, error =(53)x−(35)x=(1615)x
Error %=(1615x)(53x)100%= 64%