Questions

Find the power of a convex lens if the image formed is at a distance of 25 cm from the lens when the object is placed on the other side of the lens at 12 cm from the optical centre?

'Gallon' is commonly used

In the following question, out of the given four alternatives, select the one which best expresses the meaning of the given word.

Hearsay

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 is obviously wrong as the cost of school uniform, books and stationery, and transport, ________ all are under the monopoly of the school, are not included. ______________ private schools want additional money for special occasions like festivals, picnics, ______________ and projects. And they often recommend tuition for the children. None of this ______________ in this cost calculation. However, the family __________ this burden and these items add significantly to the revenue of private schools.

______________ and projects.

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'.

The earliest credible evidence of coffee-drinking or knowledge of the coffee tree (1)/ appears in the middle of the fifteenth century (2)/ as evident from the accounts of Ahmed al-Ghaffar in Yemen. (3)/ No error (4)

Nepal does not share its border with which Indian state?

In an acid base reaction which product is produced along with a salt?

Which of the following elements has the lowest melting point?