Questions

W. Marchent is the author of Death Of President

Acid which is present in vinegar is approximately 5 % of acetic acid. This can be confirmed by testing the vinegar with magnesium which gives out hydrogen as a gas.

India has been ranked 45th, down four notches from last year, in terms of competitiveness in the annual rankings compiled by IMD which saw Hong Kong topping the list. US was “pushed out” of the top three slots while Hong Kong consolidated its dominance of the annual rankings for the second year in the list compiled by the International Institute for Management Development’s (IMD) World Competitiveness Center.

Samsung has become the first company in India to launch its mobile payment service named Samsung pay.

The weight of the man mg is acting on the floor. As the lift is moving up with an acceleration, say a, the man too in it is having this acceleration. The force producing this acceleration is ma. By Newton's third law, this force will have an equal reaction pressing the floor equal to ma. Therefore the total resultant reaction on the floor is mg+ma = m(g+a) which is mg, the weight of the man. So (a) is correct.

Add the letter 'G' to the word 'ONE' and it become's 'Gone' which means disappear.