Question
 What is the chemical formula of baking soda?
Solution
The baking soda or bicarbonate of soda, is a chemical compound with the formula NaHCO3.
- A truck covers the distance from Depot A to Depot B at 30 km/h and returns at 45 km/h. Find its average speed.
A and B are travelling towards each other with a speed of 15 km/hr and 25 km/hr. They started at same time and A covered 30 km less distance than B befo...
Sheetal rides a bike at an average speed of 40 kmph and reaches her destination in 5 hours. Hemlata covers the same distance in 4 hrs. If Sheetal increa...
Amrita traveled a certain distance, covering 50% of it at a speed of 15 km/h, then 40% of the remaining distance at 7.5 km/h, and the rest at 9 km/h. If...
- 'M' takes 40 minutes more than 'N' to cover 'x' km. If the speed of 'M' and 'N' is 10 km/h and 16 km/h, respectively, then find the value of 'x'.
A man takes a total of 5 hrs 30 min by walking to a certain place and coming back by cycle. He would have gained 2 hrs 30 min by cycling both the ways. ...
Ram is four times faster than Shyam, and Shyam is three times faster than Shiv. If Shiv covers a certain distance in 3.5 hours, how much time will Ram t...
- A basketball has a radius of 30 cm. Calculate its total surface area.
A man covered a distance of 240 km in 4 hours on a bike. How much distance will he cover on a bicycle in 8 hours if he rides the bicycle at one-tenth th...
A can complete a work in 16 days and B can complete it in 24 days. They work together for 6 days, then A leaves. In how many more days will B finish the...