Solution:
In a
plane (vertical) mirror, the
distance of the person from the mirror does not affect how much of the body is visible. The visible portion depends
only on the height of the mirror, not on how far the person stands.
Since Sachin sees
one-fourth of his body at 20 cm, he will see
the same fraction even after moving to 40 cm.
Correct answer:
(b) one-fourth
The following bus schedule is seen at a bus stop located somewhere between town A and town B.
Town A: 00:10, then every 20 minutes
Town B: 00:15, then every 20 minutes
If a person arrives at this bus stop at a random time, the probability that the next bus is for town B is:
A father said to his son, “I was as old as you are when I became your father.” If the current age of the father is 52 years, the age of the son after 10 years will be ___.
Consider the following information regarding a 3-digit PIN.
The correct PIN is
The following ternary figure shows the marks obtained by students A, B and C in an exam of 100 marks. Here, C received 10 marks in Physics, 50 marks in Chemistry and 40 marks in Mathematics.
Which one of the following is CORRECT?
With a certain set of diameters, a tractor’s front wheels make 2 revolutions for every 1 revolution of the rear wheels. The effect of changing wheel diameter(s) is shown in the given plot.
In this context, which of the following statements is CORRECT?
