Question
A soldier hears the sound of a cannon that was fired 3 km
away after 30 seconds. Calculate the speed of sound.Solution
ATQ,
Speed of sound
= (3 × 1000) / 30
= 3000 / 30
= 100 m/s
In a certain code language, 'CHILD' is written as ‘6169248' and 'GUEST' is written as '142153840'. How will 'BOOK' be written in that language?
Find the missing term from the given alternatives:
B: 16 :: D : ?
Select the Venn diagram that best represents the relationship between the following classes.
Blue, Water, Star
Select the Venn diagram that best illustrates the relationship between the following classes.
Electrical Appliance, Refrigerator, Freezer
...
Identify the figure given in the options which when put in place of ‘?’ will logically complete the series.
‘Track’ is related to ‘Athlete’ in the same way as ‘Classroom’ is related to ‘______’.
Select the correct option that indicates the arrangement of the following words in a logical and meaningful order.
1. Lung
2. Kidney
<...During lunch break, eight colleagues, namely A, B, C, D, E, F, G and H are sitting in a circle facing the centre at equal distances. B is an immediate n...
Which number will replace the question mark (?) in the following number series?
5, 4, 6, 15, 56, ?
In each of the given number-clusters, the number on the right side of = (the equal to sign) is calculated by performing certain mathematical operations ...
