Question
Statements: Some trucks are buses. All buses
are cars. All cars are bikes. Conclusions: I. Some trucks are bikes. II. Some cars are buses. III. Some trucks are cars. In each of the questions below are given three statements followed by three conclusions numbered I, II and III. You have to take the given statements to be true even if they seem to be at variance with commonly known facts. Read all the conclusions and then decide which of given conclusions logically follows from the given statements disregarding commonly known facts.Solution
Some trucks are buses (I) + All buses are cars ⇒ Some trucks are cars(I) + All cars are bikes ⇒ Some trucks are bikes (I). Hence, conclusion I and III follows. All buses are cars (A) ⇒ Conversion ⇒ Some cars are buses(I).Hence, conclusion II follows.
A is younger than B by 6 years. If the ratio of A and B ages is 7:9 respectively, then find the age of A.
- The average weight of 6 students in a group is 45 kg. If one student is replaced by person 'B', the average weight of the group increases by 5%. Find the d...
The average salary of 12 employees in a company is 60,000. If the CEO's salary is included, the average salary increases by 5,000. If another employee w...
A company has two machines: Machine A and Machine B. Machine A was bought for 75,000, and Machine B for 50,000. If the value of Machine A depreciates by...
A company purchased a machine for Rs. 50,000. The machine depreciates at a rate of 15% per year for two years. After three years, the company sold the m...
The product of two positive integers is 121 times the product of one integer and the reciprocal of the other. If the sum of these...
4m = Sec A, 4/m = Tan A, find the value of 4( m2Â - 1/m2)
A and B together can complete a work in 12 days. B alone can complete the same work in 30 days. In how many days will A alone complete the work?
The slope of a line passing through points (-2, 3) and (4, -1) is:
A businessman bought goods for Rs 1050 and sold them on the same day for Rs 1228.5 on credit for 10 months, thus earning a profit of 4%. Find the rate o...