A storeroom has only steel and copper rods in the ratio 7:6, respectively and the weight of each steel and each copper rod is in the ratio 7:8, respectively. If the total weight of all the rods in the storeroom is 291 kg, then what is the weight of one steel rod?
Let the number of steel and copper rods in the storeroom be ‘7k’ and ‘6k’, respectively Let the weight of one steel rod and one copper rod be ‘7y’ kg and ‘8y’ kg, respectively According to the question, 7k × 7y + 6k × 8y = 291 Or, 49ky + 48ky = 291 Or, 97ky = 291 Or, ky = (291/97) = 3 But since we do not have information regarding the exact number of rods in the room, we cannot determine the exact weight of one steel rod.
The problem lies in (A)/ his having swam (B)/ over a metre at a stretch because (C)/ he ran out of breath (D)/ and his legs cramped from exertion. (E)
Parts of the following sentence are given as options. Identify the segment that contains a grammatical error. Before take this medicine you should cons...
Indore retained its prominence even in the 20th Century due to its association with four prominent musicians linked with the city.
Before sleeping, (A)/you should make sure (B)/that you have locked all doors, (C)/preventing theft (D).
The manager was (1)/so angry (2)/ on the employees (3)/that he cancelled the meeting.(4)
As parts of the efforts of the congress to evolve a consensus to its allies over a presidential candidate, senior party leader and Defence Minister call...
The future of food companies seems quite secure owed to ever–growing demand.
I. RBI announce issuance of Rs.20 notes recently.
II. Delhi overtook Mumbai as India's economic capital.
...
The Army too opposed the embankment, saying it has pose hurdles for their forward movements during military operations.
In today’s globalised environment, we have to see what needs to be bought, what needs to be developed and that needs to have transfer of...
