Check this before buying an EV car or scooter #LLAShorts 159

A person goes to the office either by a car, or scooter, or bus, the probability of which being (2)/(7),(3)/(7),(2)/(7) respectively. The probability that he reaches office late if he takes a car, or scooter, or bus is (2)/(9),(1)/(9),(4)/(9) respectively. If he reaches office in time, the probability that he travelled by car is k, then the value of 24k+7 is equal to

Why do we use the first gear to start a car or scooter at rest ? What would happen if we started a car/scooter in a higher gear?

A car and a scooter has collided.

Date of manufacture of food items fried in oil should be checked before buying because oils become rancid due to

As soon as a car just starts from rest in a certain direction, a scooter moving with a uniform speed overtakes the car. Their velocity-time graphs are shown in Fig. Calculate the difference between the distances travelled by the car and the scooter in 15 s.

Suppose that of all used cars of a particular year, 30% have bad brakes. You are considering buying a used car or that year. You take the car to a mechanic to have the brakes checked. The chance that the mechanic will give you wrong report is 20%. Assuming that the car you take to the mechanic is selected at random from the population of cars of that year. The chance that the car's brakes are good given that the mechanic says its brakes are good is-

The velocity-time graphsof a car and a scooter are shown in the figure. (i) The difference between the distance travelled by the car and the scooter in 15 and (ii) the time at which the car will catch up with the scooter are, respectively.