Question
Choose the correct statements: (A) Naphtha is a
fraction of petroleum. (B) Percolation is downward movement of water through soil. (C) Highly concentrated and widely used nitrogenous fertilizer is urea. (D) Ammonia volatilization highest with urea. (E) Soil formed from basic rocks are more fertile. Choose the correct answer from the options given below:Solution
Statement (E) is incorrect because soil fertility is influenced by various factors, and it's not accurate to generalize that soil formed from basic rocks is always more fertile.
Given that (3a + 7b = 54) and (ab = 24), determine the value of (9a2 + 49b2).
The certain sum amounts to Rs11313.5 in 2(1/2) years at 12% p.a., interest compounded 10 months. The sum (in Rs) is:
Find the number of zeroes in 18 × 125 × 20 × 32.
If (2a + b)/(3b - 2b) = 13/2 then 'b' is what percent of 'a'?
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   = ?If (a + b) = 17 and (a2 + b2) = 145, then find the value of (a × b).
If x² + y² + z² = xy + yz + zy (x≠0), then the value of (5x+3y-4z)/2x is
when x =4 and y =-6 then find the value of 27x³ +58x²y +31xy² +8y³?
What will come in the place of question mark (?) in the given expression?
?2 = (392 × 224) ÷ (112 × 28) + 62
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