The combining power of an element is called its:
Valency is the measure of an element's combining power with other atoms when it forms chemical compounds or molecules.
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A bag contains 5 red and 3 green balls. Two balls are drawn at random. Find the probability that both balls are red.
A and B can do a work together in 10 days. B and C can do the same work in 15 days, how many days will B take to complete the work if A, B and C togethe...
The ratio of ages of A and B is 4:3. If A is 5 years older than B, find the age of B.
A manufacturer sells an article to a wholesaler at a profit of 20%. The wholesaler sells it to a retailer at a profit of 25%, and the retailer sells it ...
A sphere has a diameter of 10 cm. A cone with a height of 10 cm and a radius of 5 cm is removed from the sphere. What is the volume of the remaining solid?
Rohan ranks seventh from the top and twenty sixth from the bottom in a class. How many students are there in the class?
1. एक किले में पहली तारीख को 60 सैनिकों के लिए तीस दिन का र...
A train travels at 72 km/h and crosses a platform of length 150 meters in 30 seconds. Find the length of the train.
A sum of money doubles itself in 5 years at simple interest. In how many years will it become 5 times itself at the same rate of interest?
