Major Competitive Exams
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Q. In a modular arithmetic system, if 8 is congruent to 2 modulo n, what can be concluded about n?
Q. In a modular arithmetic system, if 9 is congruent to y modulo 4, what is the value of y?
Q. In a modular arithmetic system, if a ≡ b (mod m) and c ≡ d (mod m), which of the following is not necessarily true?
Q. In a modular arithmetic system, if a ≡ b (mod m), which of the following statements is true?
Q. In a modular system with modulus 12, what is the result of 15 + 10?
Q. In a modular system with modulus 5, what is the result of (3 + 4) mod 5?
Q. In a modular system, if 12 is congruent to 0 modulo n, which of the following must be true?
Q. In a modular system, if a ≡ b (mod m) and c ≡ d (mod m), which of the following is true?
Q. In a modular system, if a ≡ b (mod n) and c ≡ d (mod n), which of the following is true?
Q. In a moving coil galvanometer, what is the role of the spring?
Q. In a multi-table data set showing the expenses of three departments (HR, IT, Sales) over four months, which department had the highest total expenses?
Q. In a multi-table data set showing the expenses of three departments (HR, IT, Sales) for two years, which department had the highest total expenses over the two years?
Q. In a multi-table data set showing the expenses of three departments (HR, IT, Sales) for four quarters, which department had the highest expense in Q2?
Q. In a multi-table data set showing the sales of different fruits in two regions, which fruit had the highest sales in Region 1?
Q. In a national election, if 65% of the votes are in favor of a candidate and there are 1,000,000 votes cast, how many votes did the candidate receive?
Q. In a national event, 60% of participants are male. If there are 240 participants, how many are female?
Q. In a national event, 60% of the participants are male. If there are 240 participants, how many are female?
Q. In a national event, if 70% of the attendees are adults and there are 1,000 attendees, how many are not adults?
Q. In a national event, if the ratio of male to female participants is 3:2 and there are 150 participants, how many are female? (2022)
Q. In a national survey, 30% of respondents reported being satisfied with government services. If 1,200 people were surveyed, how many were satisfied?
Q. In a national survey, 70% of respondents support a new policy. If 1,200 people were surveyed, how many support the policy?
Q. In a network, if the bandwidth is 100 Mbps, how many megabytes can be transferred in 10 seconds?
Q. In a Newton's ring experiment, if the radius of the first dark ring is found to be r, what is the radius of the second dark ring? (2020)
Q. In a Newton's rings experiment, if the radius of the nth dark ring is r_n, what is the relationship between r_n and the wavelength λ? (2021)
Q. In a Newton's rings experiment, if the radius of the ring increases, what can be inferred about the wavelength of light used?
Q. In a normal distribution, approximately what percentage of data lies within one standard deviation of the mean?
Q. In a normal distribution, what percentage of data lies within one standard deviation from the mean?
Q. In a normal distribution, what percentage of data lies within one standard deviation of the mean?
Q. In a nuclear reaction, if a nucleus emits an alpha particle, what happens to its atomic number? (2023)
Q. In a nuclear reaction, what is conserved?
