Question
The excess of which of the following gases causes acid
rain in the environment?Solution
The excess of nitrogen oxide and sulphur dioxide form nitric acid and sulphuric acid which cause acid rain.
The equation∣ z-2i ∣ + ∣ z + 2i ∣ = 6 represents:
Which of the following is an example of utility software?
Simplify: (1 + i)³ / (1 + i³)
A, B and C started a online education website by investing Rs.36,000, Rs.45,000 and Rs.54,000 respectively. Find the share of A’s, out of an annual pr...
A man invests ₹20,000 in a scheme that offers a 10% simple interest per annum. After how many years will his total amount become ₹30,000?
An 8% Rs. 100 face-value stock is quoted at Rs. 120 in the market. The brokerage charged is 5% on the market price. If an investor wants to get an annua...
If detA = 3, detB = 2, then det(AB) =?Quantity I: ‘X’ – For a number greater than one, the difference between the number and its reciprocal is equal to 40% of t...
Find the value of the given expression:
The speed ratio of train A to train B is 3:2, and both trains are of equal length. Train A takes x seconds to cross train B when they are moving in the ...
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