Percentage

76. An employee is entitled to 20% of his basic pay as Dearness Allowance(DA). If his basic pay is Tk.6300, what is total pay.

• ক. Tk.1260
• খ. Tk.4800
• গ. Tk.7200
• ঘ. Tk.7560

77. A man pays 5% this annual income as tax. If he paid Tk.600 as tax last year, what was his annual income?

• ক. Tk.10000
• খ. Tk.12000
• গ. Tk.15000
• ঘ. Tk.20000

78. A manufacturer finds that 0.4% of his production is defected and unsuitable for marketing. How many to 1000 units produced will be rejected?

• ক. 4
• খ. 40
• গ. 400
• ঘ. 140

79. Increasing the original price of an article by 15 percent and then increasing the new price by 15 percent is equivalent to increasing the original price by--

• ক. 32.25%
• খ. 31.00%
• গ. 30.25%
• ঘ. 30.00

80. If 10% of r is 20% of s, 20% of s is 30% of t and 100% or r is x% of t, then x is--

• ক. 300
• খ. 33.33
• গ. 66.66
• ঘ. 40

81. Income of A is 25% less than B. How much percent B's income would be more than that of A?

• ক. 33.5%
• খ. 30%
• গ. 35%
• ঘ. 40%

82. x% of y is y% of--

• ক. x/100
• খ. y/100
• গ. x
• ঘ. 100x

83. Aman donated 5% of his income to charitable organization and deposited 20% of the remainder in a bank. If he now has Tk.1919 left, what is his income?

• ক. 2500
• খ. 2300
• গ. 2558.60
• ঘ. 2525

84. A fruit seller had some apples. He sells 40% and still has 420 apples. Originally, he had--

• ক. 672
• খ. 700
• গ. 588
• ঘ. 600

85. √(3.6% of 40) =?

• ক. 1.2
• খ. 2.8
• গ. 1.8
• ঘ. 1.6

86. In mathematics examination, a student scored 30% marks in the first paper out of a total 180. How much should he score in second paper out of a total of 150 if he is to get an overall average of at least 50%--

• ক. 70
• খ. 80
• গ. 74
• ঘ. 76

87. In an examination there were 2000 candidates out of which 900 candidates were boys and rest were girls. If 32% of the boys and 38% of the girls passed. Then the total percentage of pailed candidates is--

• ক. 86.5%
• খ. 70%
• গ. 35.3%
• ঘ. 64.7%

88. A student who secures 20% marks in an examination fails by 30 marks another student secures 32% marks gets 42 marks more than those required to pass. The percentage of marks required to pass is--

• ক. 28%
• খ. 30%
• গ. 20%
• ঘ. 25%

89. In an election between two contestants candidates the candidate who gets 30% of the votes polled is defeated by 15000 votes. The number of votes polled by the winning candidate is--

• ক. 26250
• খ. 37500
• গ. 11200
• ঘ. 15000

90. In an election between two contestants candidates, one got 55% of the total valid votes. 20% of the votes were invalid. If the total number of vote was 7500. The number of valid votes that the other candidate got was--

• ক. 3000
• খ. 3100
• গ. 2700
• ঘ. 2900

91. The price of cooking oil has increased by 25%. The percentage of reduction that a family should effect in the use of cooking oil so as not to increase the expenditure of this accountis--

• ক. 25%
• খ. 30%
• গ. 15%
• ঘ. 20%

92. 3 liters of water is added to 15 liters of mixture of a 20% solution of alcohol in water. The strength of alcohol is now--

• ক. 24%
• খ. 16%
• গ. 25/2%
• ঘ. 50/3%

93. Water tax is increased by 20% but its consumption is decreased by 20%. Then the increase or decrease in the expenditure of the money is--

• ক. 4% increase
• খ. 4% decrease
• গ. 5% decrease
• ঘ. No change

94. In a vocational course in a college, 15% seats increase annually. If there were 800 students in 1992, how many students will be there in 1994?

• ক. 1058
• খ. 1178
• গ. 920
• ঘ. 1040

95. The value of a machine depreciates 10% annually. If its present value is Tk.4000, its value 2 years hence will be--

• ক. 3260
• খ. 3280
• গ. 3200
• ঘ. 3240

96. The population of a town increased by 5% annually. If it is 15435 now, its population 2 years ago was--

• ক. 14800
• খ. 15000
• গ. 13700
• ঘ. 14000

97. A man's basic pay for a 40 hours week is Tk.20. Over time is paid for at 25% above the basic rate. In a certain week he worked over time and his total wage was Tk.25. He therefore worked for a total of--

• ক. 48
• খ. 50
• গ. 45
• ঘ. 47

98. A man spends 75% of his income. His income is increased by 20% and he increased his expenditure by 10%. His savings are increased by--

• ক. 75/2%
• খ. 50%
• গ. 10%
• ঘ. 25%

99. The price of an article has been reduced by 25%. In order to restore the original price the new price must be increased by--

• ক. 100/11%
• খ. 200/3%
• গ. 100/3%
• ঘ. 100/9%

100. The boys and girls in a college are ratios 3 : 2. If 20% of the boys and 25% of the girls are adults, the percentage of students who are not adults is--

• ক. 78
• খ. 82.5
• গ. 58
• ঘ. 67.5