Can the price of an item go up by 100%?

Can the price of an item go up by 90%?

Why does the price of petrol go up all the time ?

An increase in temperature by 10^(@) , can increase the number of collisions only by 2% , but the rate of reaction increases by 100%. Why?

A motor pump is delivering water at certain rate. In order to increases the rate of delivery by 100%, the power of the motor is to be increased by

Last year the price of a commodity was₹ 80, this year the price goes up by ₹20 find percentage increase.

The marked price of an gift item is ₹ 156 and sold it for ₹ 142. Find the discount percent.

Madhuri went to a super market. The price, changes are as follows. The price of rice reduced by 5% jam and fruits reduced by 8% and oil and dal. Increased by 10%. Help Madhuri to find the changed prices in the given table. item original price rice rs. 30 jam rs.100 apples rs. 280 oil rs.120 dal rs.80

Can the process of chewing go on in the absence of saliva ?