Exams

An object is placed on the principal axis of a cortex lens of focal length 10 cm. If the distance of the object from the lens is 30 cm, what is the distance of the image formed?

Find the unit digit in the given product (4211)102 x (361)52.

An 80 litre mixture of water and acid contains 20% acid. How much acid should be added to make the acid 60% in the new mixture?

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'.

Priya got good grades(A)/not in Hindi essay(B)/but also in arithmetic.(C)/No error(D)

In the following passage, some of the words have been left out. Read the passage carefully and select the correct answer for the given blank out of the four alternatives.

___________ it became difficult to empirically prove that children __________ better in private schools, the attack __________ a new weapon: per unit cost of learning outcomes. Most of the learning outcome researches almost _______________ fail to understand the entire ______________ of education in any depth and reduces it to learning of so­called 3Rs for economic purposes.

children __________ better in private schools

Which of the following numbers is completely divisible by 99?

Atomic number of an atom gives the number of which of the following ?

A series is given , with one term missing . Choose the correct alternative from the given ones that will complete the series .

CAT , DBT , ECT , ?