Question
Which of the following gases in air is responsible for
the discoloration of Brass?Solution
Brass gets discolored in the air due to the presence of hydrogen sulphide. It is due to the presence of the mixture of hydrogen and sulphide that makes Brass discolored.
The efficiency of a woman is 33.33% less than that of a man, whose efficiency is three times that of a child. If 2 children, 3 women, and 4 men together...
24.89² ÷ (34.33 ÷ 20.02) + 67.85 – 89.01 = ?
A sum of Rs.8200 is to be divided among 6 brothers, 5 sisters and 2 aunts. If each sister receives thrice as much as each aunt and each brother receives...
The average of first nine prime numbers isĀ
Select the option that is related to the third number in the same way as the second number is related to the ļ¬rst number.
12 : 60 :: 16 : ?
Which of the following is not a binary number?
If the sum of the digits of a three digit number is subtracted from that number, then it will always be divisible by
(0.04)5 × (0.2)4 ÷ (0.008)2 = (0.2)?
The following chart gives the expenditure incurred by a publisher to bring out a book
The mean deviation of the data 3, 10, 10, 4, 7, 10, 5 is:
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