Let the number = 10x + x 2 According to the question, (10x2+x) - (10x + x2)= 54 9(x2 - x) = 54 x2- x = 6 x2- x-6= 0 (x - 3) (x + 2) = 0 x = 3 or x = -2 Number = 39 [x`!=` 2] 60% of 39 =`60/100xx39` = 23.4
NaCl has which kind of bonds?
Modern periodic table has ______ groups and ______ periods.
Which gas is produced due to incomplete combustion of fuel?
_________is a formula for rust.
Which of the following is not a natural polymer?
The conversion of hard water into soft water by boiling or adding calcium hydroxide is called:
Which gas is commonly used in electric bulbs to prevent oxidation?
Which drug is used as an anti-inflammatory?
A mixture of carbon monoxide and hydrogen is known as ______
Biofertilizers convert nitrogen to: