Question
Among the following, which has the lowest
density?Solution
Petrol, also known as gasoline, has a lower density compared to water, mercury, and salt water. This lower density is why petrol floats on water and is a critical characteristic for various applications, particularly in fuels.
5 positive numbers are written on a piece of paper. Sum of first 3 numbers is 45 and ratio of the 4th and the 5th number is 2:3. If difference between t...
A person invested 6,000 in a bank at compound interest compounded annually. After 3 years, the sum became 7,986. What was the rate of interest?
The shortest distance between skew lines can be found using:
A store originally sells a jacket for ₹2,500. During a sale, the store offers a discount of 20% on the jacket. After the sale, the store increases the...
If sin x + sin 2x = 1 and cos x + cos 2x = 0, find x.
Let A = 2i + 3j, B = pi + 9j, and C = i – j.If points A, B, and C are collinear, then the value of p is:
{84.03 + 39.99 – (168.12 ÷ 6.95 – 17.03 × 7.91)} = ?
A company has 600 employees. It plans to increase its workforce by 15% in the next year. Additionally, due to a reorganization, 10% of the current emplo...
Find the maximum value of the function f(x) = x³ – 3x² – 9x + 20.
A water tank has a capacity of 500 liters. A tap fills the tank at a rate of 10 liters per minute, while another tap empties it at a rate of 5 liters pe...
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