Questions

If x stands for addition, / stands for subtraction, + stands for multiplication and - stands for division, then what is the value of 20 x 8 / 8 - 4 + 2 ?

Who pioneered diagnostic ultrasound?

Which among the following determines the pitch of a sound?

Which Indian nuclear scientist is currently the chairman of the Atomic Energy Commission of India?

The outermost layer of the earth's atmosphere is _______.

Which of the following scheme has been launched by the Union Government to supply electricity to poor households?

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'.

Le Duc Tho, chosen for the 1973 Peace Prize for his (1)/ act in the Paris Peace Accords, declined, stating (2)/ that there was no actual peace in Vietnam. (3)/ No error (4)

In the following question, the sentence given with blank to be filled in with an appropriate word. Select the correct alternative out of the four and indicate it by selecting the appropriate option.

Science helps us in ______ at the answer, but the main decision lies with ourselves.