Questions

A cylinderical container of 32 cm height and 18 cm radius is filled with sand. Now all this sand is used to form a conical heap of sand. If the height of theconical heap is 24 cm, what is the radius of its base?

Which of the following statement is true?

In the following question, a sentence has been given in Direct/Indirect speech. Out of the four alternatives suggested, select the one, which best express the same sentence in Indirect/Direct speech.

Mother said, "Oh! It's a scorpion. Don't go near it, children."

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'.

When Albert stayed at the African jungle (A) / he chose to put up with many inconveniences such as (B) / wild animals and poisionous insects. (C)/ No Error (D)

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. Ifa  sentence is free from error, select 'No Error'.

Buttressing the confidence in the economy (1)/ are the findings in the survey, which posits (2)/ an improvement in the infrastructure sectors.(3)/ No error. (4)

Calculate the time period (in seconds) of a sound wave of wavelength 5m travelling with a speed of 500 m/s.

‘Mentor India’ Compaign is an initiative to engage leaders who can guide and mentor students at ‘Atal Tinkering Labs’ across the country. Who launched‘Mentor India’ Campaign?

India's current finance minister Arun Jaitley is a Rajya Sabha member from which state?