Secondary Education Examination (SEE)
Compulsory Mathematics
2081 (2025) · Karnali · English medium
ℹ️ Answer all the questions. Give the answers creatively in your own style based on the given instructions.
- 1
Out of 100 students of class ten of a school, 60 liked English and 50 like mathematics. But 20 did not like any of these two subjects. The sets of students who liked English and Mathematics are denoted by 'E' and 'M' respectively.
a)Write the set of the students who did not like any of these two subjects in the cardinality notation.1
b)Present the given information in a Venn-diagram assuming x for the number of students who liked both subjects.1
c)Find the number of students who liked exactly one subject.3
d)If 30 students did not like any of these two subjects, what will be the effect in the number of students who liked both subjects? Find it.1
- 2
Aashlal deposited Rs. 1,00,000 in a bank. The bank provides 8% per annum interest compounded semi annually.
a)Write the formula to calculate annually compound interest.1
b)How much interest does Aashlal receive in 2 years? Find it.2
c)If the bank provides yearly compound interest for same rate and same period of time, how much would be profit or loss for him? Find it.2
- 3
The population of a village is 10,000. Annual population growth rate is 4%. At the end of first year, 100 people migrated from that village to other places.
a)Find the population of the village after one year.1
b)If nobody were migrated in second year, what would be the population of the village after 2 years? Find it.2
c)If nobody was migrated in first year, what would be the difference in population growth in 2 years? Find it.1
- 4
According to currency exchange rate of Nepal Rastra Bank, 1 American dollar equals to NRs. 138.83 in a day. Nepali currency was devaluated by 2% in the comparison of dollar after some days.
a)What is called currency exchange? Write it.1
b)How many Nepali rupees can be exchanged with American dollar ($) 1500 before devaluation? Find it.1
c)After devaluation, how many American dollar can be exchanged with NRs. 7,08,033? Find it.2
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