The half-life of an element is 5 years, what fraction of that radioactive substance will remain after 20 years?
t1/2 =5year 20 year = 20/5 = 4t1/2 4t1/2= (1/2)⁴= 1/16
Select the number from among the given options that can replace the question mark (?) in the following series. 85, 84, 92, 65, 129, ?
With reference to the PM CARES Fund, consider the following statements:
I. The amount collected by it directly goes to the Consolidated Fund of I...
In the following question, four letter pairs are given. The letters on left side of (–) is related to the letters on the right side of (–) with som...
Out of the given options, three are similar in a certain manner. However, one option is NOT like the other three. Select the option which is different ...
In a certain language, if the signs + and ×, and the digits 3 and 8 are interchanged, then what is the value of the following expression?
6 ×...
A statement is followed by two conclusions, numbered I and II. Find out which of the following conclusion(s) is/are true based on the given statements.<...
Select the number from among the given options that can replace the question mark (?) in the following series.
86, 89, 95, 104, ?, 131, 149
Select the option which is related to the fifth letter-cluster in the same way as the second letter-cluster is related to the first letter-cluster and t...
Six people A, B, C, D, E and F are sitting around a circular table facing the centre. C sits second to the left of D. A is an immediate neighbour of D. ...
Which answer figure will replace the question mark given in the question figure?
Questions figure:
