Let A be closed after x minutes. Then, Part filled by (A + B) in x min. + part filled by B in (12 – x) min. = 1 x (1/12 + 1/16 ) + (12 – x ) × 1/16 = 1 ⟹ (7 x)/48 + (12 - x)/16 = 1 ⟹ (7 x)/48 + 3/4 - x/16 = 1 ⟹ (4 x)/48 = 1/4 ∴ x = 3 ∴ Hence, A must be closed after 3 minutes.
Parts of the following sentence are given as options. Identify the segment that contains a grammatical error.
The plant will die unless you wil...
Identify the part of the sentence which contains an error.
In the front room/ of our house/ there’s/ two chairs and a sofa.
Directions: In each of the questions, a sentence has been divided into four parts, one of which may contain an error. Identify that fragment and mark ...
Nobody want (1)/ to greet her (2)/ because of her nature (3)/ No error
Choose the grammatically correct sentence.
(A) investors are advised to diversify their portfolios
(B) as it helps in mitigating risks
(C) the market is volatile,
(i) thus
(ii) therefore
(iii) so
Read the sentence to find out whether there is any grammatical error in it. The error, if any, will be in one part of the sentence. Spot the error from...
The vessels were armed with anti-ship cruise missiles capable of destroying U.S. warships and escort by nuclear submarines.
Life is much vaster (A)/and deeper, it cannot be (B)/lived with the aide (C)/of an extinguishable lamp (D).
Parts of the following sentence are given as options. Identify the segment that contains a grammatical error.
When there were a strong wind, th...
