Question
20 25 54 165 662 ?
What should come in place of question mark (?) in the following number series?Solution
x 1 + 5, x 2 + 4, x 3 + 3, x 4 + 2, x 5 + 1
Choose the wrong statement
The chemical name of ______ is sodium hydrogen carbonate.
What does Mohs scale measure?
What is the viscosity of an ideal fluid?
Ball pen functions on the principle of :
The reaction of an aldehyde with Tollens’ reagent results in:
Law of conservation of mass is not correct for
Which of the following statement regarding Rutherford nuclear model is NOT correct?
The percentage of nitrogen in urea is :
Which of the following organic compounds undergo nucleophilic substitution reaction most easily?