Question
A 40-litre solution contains milk and water in the ratio
3 : 1. How many litres of water must be added so that the resulting mixture has milk and water in the ratio 3 : 2?Solution
ATQ, Total = 40 L, milk : water = 3 : 1 Milk = (3/4) × 40 = 30 L Water = (1/4) × 40 = 10 L Let x litres of water be added. New water = 10 + x, milk remains 30 L Given new ratio = 3 : 2 ⇒ 30 / (10 + x) = 3 / 2 Cross-multiply: 30 × 2 = 3(10 + x) 60 = 30 + 3x 3x = 30 ⇒ x = 10 L
In August this year, Beijing saw (A) because of the various steps they've taken (B) micrograms per cubic metre and all of that is (C) its lowest ever PM...
In the question given below, a sentence is given, divided into parts. One of the parts may contain an error. Identify the part that contains the error,...
He is a linguist(1)/ and always tries to(2) make his students pronounce(3)/ the words correctly.(4)
Brimstone is easily burned without any extraneous help; (A)/indeed the only precaution required is (B)/to take care lest the heat produced by (C)/the bu...
Read each sentence to find out whether there is any grammatical error in it. The error, if any, will be in one part of the sentence. Mark the part with...
Read each sentence to find out whether there is any grammatical error in it. The error, if any, will be in one part of the sentence. Mark the part with...
Read the given sentence to find out whether there will be error in any of the two parts, mark the parts in which there will be error as answer from the ...
She stops by the (A)/corner store to pick up a few things(B)/ and gives a much-deserved scold (C)/to a young kid caught shoplifting (D). Â
The lemons in our neighbor’s garden hanged invitingly, and they took me back to those lazy summer afternoons where we would squander them away in pit...
Read the sentence to find out whether there is an error in it. The error, if any, will be in one part of the sentence. The letter corresponding to that ...
Relevant for Exams:
