61. A man spents \(33\frac{1}{3}\)% of his salary on item of daily use and \(37\frac{1}{2}\)% of the remainder on house rent. After that he is left with 3900 Rs. How much is his salary ?
62. If monthly salary of an employee is increased by \(3\frac{5}{8}\)%, he gets Rs. 580 more. What is his monthly salary ?
63. A man spents 60% of his income. His income increased by 30% and he increased his expenditure by \(16\frac{2}{3}\)%. His saving then will be increased by how much percent ?
64. A man received an annual salary of Rs. 5720 in the year 2023. This was \(57\frac{1}{7}\)% more than his salary in year 2022. What was his salary in year 2022 ?
65. Out of his total Income, Amit spents 20% on item of daily use and 70% of the rest on house hold expenses. If he saves 8400 Rs., then what is his total income ?
66. The total income of A, B and C be Rs. 260. If they spends 70%, 75% and 80% respectively and the ratio of their saving be 9 : 5 : 3. Then find the income of B ?
67. Ankit saves 40% of his monthly salary. If his monthly expenditure is 6000 Rs. Then what will be his monthly saving ?
68. A reduction of 30% in the price of sugar enables a person to obtain 9 kg more sugar for Rs. 105. Then what was the price per kg of sugar before reduction ?
69. A reduction of 20% in the price of an banana enables a man to buy 10 banana more for Rs. 54. Then what will be the reduced price of banana per dozen ?
70. A book consists of 40 pages, 30 lines on each page and 35 haracters on each line. If this content is written in another book consisting of 60 lines and 40 characters per line, then the required number of pages will how be how much percent less than the previous pages ?
71. A student multiplied a number by \(\frac{2}{5}\) instead of \(\frac{5}{2}\). What is the % error in calculation ?
72. In an examination a student got 25% marks and failed by 5 marks. While another student got 28% marks and got 7 marks more than pass marks. Then find the maximum marks in the examination ?
73. In an examination the first student got 25% marks and failed by 18 marks. While in the same exam the second student got 27% marks and failed by 12 marks. Then find the maximum marks and minimum pass marks in the examination.
74. The marks of Ankit in physics are 60% of the marks in chemistry and marks in chemistry are 60% of the marks in biology. How many marks he got in physics. If marks in these three subjects are 196 in all.
75. In an examination a student got 25% marks and failed by 5 marks while another student got 28% marks and got 7 marks more than pass marks. Then find the minimum marks % required to pass in the exam.
76. A student has to secure 30% marks to pass the exam. If he gets 70 marks and fails by 50 marks. Then find the maximum marks set for the examination.
77. A company gives 10% commission to his salesman on total sales and 1% bonus on the sales over Rs. 20000. If the salesman deposite Rs. 44700 after deducting his earning from total sales. Then find total sales.
78. If the annual increase in the population of a town is \(14\frac{2}{7}\)% and the present number of population is 2401. What will the population be in 4 years ?
79. The population of a village is 14000. If the males and females are increased by 5% and 12% respectively then population will become 14770. Find the number of females at present.
80. The population of town is 10000. It increases by 10% during the first year. During the second year it decreases by 20% and increased by 30% during the third year. What will the population be after 3 years ?
81. The population of a village has increased annually at the rate of 20%. If at the end of 3 years it is 19440. Then what was the population in the beginning of first year ?
82. In a village 30% of the population is female. 80% of the female and 60% of male are married. Then what will be the % of unmarried population in the village ?
83. The price of an article was increased by x%. Later the new price was decreased by x%. If the latest price was Rs. 1. Then what was the original price ?
84. In the expression xy², the value of both the variables x and y are decreased by 40%. By this the value of the expression is decreased by how much ?
85. In an election between two candidates, Ankit gets 55% of total valid votes. If the total votes were 5000, what is the number of valid votes that the other candidate Rohit gets, if 20% of the total votes were declared invalid.
86. In an election there are three candidates. The winning candidate got 60% votes and the candidate at the third place got 10% of the votes. If the winning candidate win by 12000 votes then find total number of votes while no vote was invalid.
87. In an election between two candidates 10% of the voters did not cast their votes while 10% of the votes polled were declared invalid. If the winning candidate got 68% of the valid votes an won by 14580 votes then find the total number of voters in the voter list.
88. In an election 40% of the voters voted to Ankit and 70% of the remaining voted to Rahul and the remaining did not cast their vote. If the difference between number of voters voted to Ankit and those who do not vote at all is 2400. If no vote was declared invalid then Find the number of voters who have right to vote in this election.
89. In an election 10% voters did not participated in election and 5000 votes are found invalid. The winner get 72% of the total voting list and he won by 59000 votes. Find the votes polled in favour of losing candidate.
90. In an election two candidates participated and 10% voters did not vote, 180 votes declared invalid and the winner gets 70% votes of voting list and he win by 1680 votes. Find the number of valid votes and how many votes did losing candidate get ?