Question
Which of the following elements is a noble
gas?Solution
Argon is a noble gas, which is characterized by its lack of reactivity due to having a complete valence electron shell.
A car travels 60 km at a speed of 30 km/hr, then 90 km at a speed of 45 km/hr, and finally 80 km at a speed of 40 km/hr. Find the average speed of the c...
Suppose Ranjan purchases a bike for Rs. 6,50,000 and sells it for Rs. 8,00,000, calculate the profit % in this transaction.
A sum of ₹25000 is invested in two parts, one at 8% and the other at 10%. The total interest earned after a year is ₹2300. How much was invested at ...
What is the definition of an Internet Protocol (IP) address?
If the volume of a solid hemisphere is 155232cm³ then find the diameter of the solid hemisphere.
A trader cheats by using a weighing scale that shows 1 kg while actually giving only 900 grams. He also marks up the goods by 25% and then gives a 10% d...
In a triangle, the inradius is 6 cm, the circumradius is 9 cm, and the area is 54 cm². What is the semiperimeter of the triangle?Â
A person has ₹5000. He invests 40% of it in scheme A at 8% per annum and the remaining in scheme B at 10% per annum. What is the total interest earned...
The sum of the ages of a father and his son is 50 years. After 5 years, the father's age will be twice that of his son. What are their present ages?
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