Question
A girl is standing 5 metres away from a plane mirror.
How much distance should she move towards the mirror so that she will be 2 metres farther from her image?Solution
In a plane mirror, image is formed behind the mirror at the same distance as the object is in front of it. Therefore, if the distance between an object and its image is 2m then object must be 1m ahead of the mirror. The girl should therefore walk 5 – 1 = 4 towards the mirror.
Three statements are given, followed by three conclusions numbered I, II and III. Assuming the statements to be true, even if they seem to be at varianc...
Find the missing number in the following number series:
22.5, ____, 26.5, 30, 34.5
Select the correct mirror image of the given figure when the mirror is placed at MN as shown below.
Read the given statements and conclusions carefully. Decide which of the given conclusions is are true based on the statements.
Statements:
...Vani starts from point A and drives 6 km towards the east. He then takes a right turn and drives 10 km. He takes a final left turn and drives 8 km and s...
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(The words must...
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4, 11, 19, 31, 52, 89, ?
If, JANUARY = 718, FEBRUARY = 8210, SEPTEMBER = 9918, in a certain code language, then NOVEMBER =?
Who is an immediate neighbour of Ziya?
