Question
What is the atomic number of silicon, a component of
quartz?Solution
Silicon, a fundamental element in quartz, has the atomic number 14. It bonds with oxygen to form silicon dioxide (SiO2), the chemical compound of quartz, which is integral to various technological and industrial applications.
In a company, there are men, women, and boys working. The total daily payment to all workers is Rs. 6,390. The number of men is 20% more than the number...
If the digits of a two-digit number are reversed, the resulting number is 36 less than twice the original number. If the sum of the digits is 9, what is...
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Find the sum of the first 15 natural numbers.
Find the smallest integer greater than 100 which leaves a remainder 1 when divided by each of 2, 3 and 5.
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Mr. Sharma distributed a total of Rs. 11,250 among his three employees—Ram, Saran, and Ramen—based on their performance. The distribution was such t...
Find the range of the given data:
65, 85, 45, 20, 35, 90, 100, 60, 55
Arvind's age after 19 years will be 67 years. Ravi is 4 years older than Arvind. The ratio of present ages of Samar and Ravi is 9:13. Find the age of Sa...
In a question of division, if dividend is 21 times of remainder and quotient is 1/2 of divisor, if remainder is least multiple of 2 and 5 both then find...