Using the statements you have been given, select the statement you know to be true.Balls are always spherical.Spherical things always roll.Things that roll move faster than things that are dragged.AIf something rolls then it must be a ball.BBalls move faster than things that are dragged.CBalls are great for playing sport because they move fast.DDragging things is slow.ESpherical things are always balls.

Assertion (A): Ball bearings will be unable to serve their purpose if we ​replace the spheres with cubes.​Reason (R): Ball bearings replace sliding friction with rolling friction.

The question given below comprises two statements followed by four conclusions numbered. I, II, III and IV. You have to assume both the statements are correct, even if they differ from universally known facts. Go through all the conclusions and then ignoring the universally known facts ascertain as to which of the given conclusions can logically come up from the given statements. Statements- Some papers are balls. Ball is not spherical. Conclusions- I. Some papers are sphericalII. Some balls are spherical. III. Some papers are not spherical. IV. Some balls are papers.

Choose one of the following inferences for the questions given below:Statements:No bat is ball.No ball is a watch.Inferences:A. Some bats are not watches.B. No bats are watches.

Statements: All spheres are cuboids.Some cuboids are cones.Conclusions: I. Some cones are spheres.II. Some cuboids are spheres.OptionsIf only conclusion I followsIf either conclusion I or conclusion II followsIf both conclusion I and conclusion II followsIf neither conclusion I nor conclusion II followsIf only conclusion II follows

Which of the following statement is correct for the speed of a ball after it is thrown upward into the air.  1 pointdecreases and then increasesdecreasesincreasesincreases and then decreases