Exams

What is the reflection of the point (1 , 2) in the line y = 3?

Two circles touch each other internally. The radius of the smaller circle is 6 cm and the distance between the centre of two circles is 3 cm. The radius of the larger circle is

If (x + y)/z = 2, then what is the value of [y/(y – z)] + [x/(x – z)]?

Two circles touch each other at point X. Two common tangents of the circles meet at point P and none of the tangents passes through X. These tangents touch the larger circle at points B and C. If the radius of the larger circle is 15 cm and CP = 20 cm, then what is the radius (in cm) of the smaller circle?

In the following question, some part of the sentence may have errors. Find out which part of the sentence has an error and select the appropriate option. If a sentence is free from error, select 'No Error'.

Our government has decided to strengthen the (1)/ States’ capacity to move away from a already (2)/ obsolete ‘one-size-fits-all’ approach. (3)/ No error. (4)

In the following question, two statements are given each followed by two conclusions I and II. You have to consider the statements to be true even if they seem to be at variance from commonly known facts. You have to decide which of the given conclusions, if any, follows from the given statements.

Statements:
(I) Disney has launched 'Hour of Code' campaign in India for teaching computer programming to school children.
(II) Children watch cartoon for their entertainment and learning.

Conclusion:
(I) Children can connect well through specific cartoon characters.
(II) The mass campaign of learning to school kids can be effective only though making it interesting.

A train is moving with uniform speed crosses two tunnels of lengths 270 metres and 450 metres in 12 seconds and 15 seconds respectively. What is the speed (in km/hr) of the train?

Simple interest on a sum of Rs 3300 for 5 years is Rs 1980. What is the annual rate (in percentage) of interest?