Statements: Some books are trees.
All trees are roads.
All roads are wheels.
Conclusions: I. Some wheels are books.
II. Some roads are books.
III. Some wheels are trees.
Question
Statements: Some books are trees.
All trees are roads.
All roads are wheels.
Conclusions: I. Some wheels are books.
II. Some roads are books.
III. Some wheels are trees.
Some books are trees + All trees are roads = I + A = I = some books are roads
Conversion is some roads are books. Hence II follows
Some books are roads + All roads are wheels = I + A = I = some books are wheels
Conversion is some wheels are books. Hence I follows.
All trees are roads + All roads are wheels = A+A = A = All trees are wheels
Conversion is some wheels are trees (I). Hence III follows.
The ratio of the speeds of a car, a train and a bus is 5:9:4. The average speed of the car, the bus and the train is 72km/hr together. What is the average speed of the car and the train together?
There are some parrots and some tigers in a forest. If the total number of animal heads in the forest is 858 and the total number of animal legs is 1,846 what is the number of parrots in the forest?
Kiran purchased a car for Rs 2,50,000 and sold it for Rs 3,48,000. What is the percent profit he made on the car?
The difference between a two-digit number and the number obtained by interchanging the two digits of the number is 9. If the sum of the two digits of the number is 15, then what is the original number?
The present ages of Amit and his father are in the ratio of 2:5 respectively. Four years hence the ratio of their ages will become 5:11 respectively. What was the father’s age five years ago?
In the following number series only one number is wrong. Find out the wrong number?
5 55 495 3465 17325 34650 51975
In the following number series only one number is wrong. Find out the wrong number?
2 9 32 105 436 2195 13182
The total marks obtained by a student in physics, chemistry and maths together is 120 more than the marks obtained by him in chemistry. What is the average marks obtained by him in physics and maths together?
An amount of money is to be divided among P, Q and R in the ratio of 3:5:7 respectively. If the amount received by R is Rs 4,000 more than the amount received by Q, what will be the total amount received by P and Q together?
384 381 372 345 264 ?