Tap ‘A’ and tap ‘B’ can fill a tank in 48 hours and 30 hours, respectively. If both taps are opened together, then find the time after which tap ‘A’ must be closed so the whole tank can be filled in 20 hours.
Let total capacity of the tank is 240 litres (LCM of 48 and 30) Quantity of water filled by tap ‘A’ in one hour = 240/48 = 5 litres Quantity of water filled by tap ‘B’ in one hour = 240/30 = 8 litres Let tap ‘A’ is closed after ‘x’ hours So, 13 × x + 8 × (20 – x) = 240 Or, 5x = 80 Or, x = 16 hours
The Pallikaranai Marsh is one of the some natural coastal aquatic habitats that qualify as a wetland in India.
Identify the segment in the sentence, which contains the grammatical error.
The chart papers were distributed among all the childrens.
Identify the segment that contains a grammatical error. If there is no error, select 'No error'.
There are several ways of increase production fr...
Over the last year, the record of implementation (1) of the steps in the peace accord has been patchy (2) , though major strides were made in the for...
Each sentence given below has been divided into four options A, B, C, D one of which is erroneous. Identify the erroneous part and mark that option as y...
Many firms fail because when they begin (1)/ exporting, they have not research the (2)/ target markets or have not planned enough. (3)/ No error (4)
My father, (A)/ though old,(B)/ goes everywhere by foot.(C) No error(D)
I feel the protective (A) / instinct of a son want to (B) / prevent his mother from hurting. (C) / No error (D)
The dust risen like (A) / billowing clouds as the (B) / cab pulled up around (C) / the corner of 5th A Cross. (D) / No error (E)
1) As your herb garden is established, add indigenous herbs like wild lemon-thyme found in the hills and medicinal herbs which can be used for home reme...
