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Let B be closed after x minutes. Then, Part filled by (A+B) in x min. + part filled by A in (18 – x) min. = 1 x (1/24 + 1/32 ) + ( 18 – x ) × 1/24 = 1 ⟹ 7x/96 + (18-x)/24 = 1 ⟹7 x + 4 (18 – x) = 96 ∴ x = 8 ∴ Hence, B must be closed after 8 minutes
Select the sentence that is grammatically correct and meaningful.
Find the part containing error. If none of the four parts contains error, mark ‘No Error’ as your answer.
Select the most appropriate SYNONYM of the given word
Stealth
Of the four given options, choose the most appropriate one.
bias
Select the correctly punctuated sentence from the options below.