Prepare for your exams with Eduvai.

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

1. A 13700
2. B 14000
3. C 14800
4. D 15000

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--

1. A 10%
2. B 25%
3. C 50%
4. D 75/2%

The number of marbles in Amin’s collection is 80% of the number in Rahim’s collection. If Rahim has 80 more marbles than Amin, how many marbles do they have altogether?

1. A 120
2. B 135
3. C 400
4. D 720

A trader raised the price of his product by 10% and then he lowered the enhanced price by 10%. Compared to the latest price the first price has been--

1. A enhanced by 1%
2. B enhanced by 4%
3. C kept equal
4. D lowered by 1%

72% of the students of a certain class took Biology and 44% took mathematics. If each students took Biology or Mathematics or both. If 40 students took both Biology and Mathematics then the total number of students in the class was---

1. A 200
2. B 240
3. C 250
4. D 320

A company increases every year salary of an officer by 20%. His salary in the year was Tk.26640. What was his salary in 1999?

1. A Tk.18500
2. B Tk.18840
3. C Tk.19028
4. D Tk.20000

If the value of XYZ company stock drops from Tk.25 per share to Tk.21 per share, what is the percent of the decrese?

1. A 12%
2. B 16%
3. C 4%
4. D 8%

A house-owner was having his house painted. He was advised that he would require 25 kg of paint. Allowing for 15% wastage and assuming that the paint is available in 2 kg cans. What would be the cost of paint purchased, if one can cost Tk.16?

1. A 160
2. B 180
3. C 240
4. D 360

What is 1 percent of 0.025?

1. A 0.000025
2. B 0.00025
3. C 0.0025
4. D 0.025

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?

1. A 1040
2. B 1058
3. C 1178
4. D 920

If x% of a is the same as y% of b. Then z% of b =?

1. A All of these
2. B xy/z% of a
3. C xz/y% of a
4. D yz/x% of a

From 2004 to 2005 the sales of a book decreased by 80%. If the sales in 2006 were the same as in 2004, by what percent did they increase from 2005 to 2006?

1. A 100%
2. B 120%
3. C 400%
4. D 80%