Question
There are three numbers. If the average of any two of
them is added to the third number, the sums obtained are 177, 163 and 138. Whatis the average of the largest and the smallest of the given numbers?Solution
Let the three numbers be x, y, z. X+y / 2 + z = 177 x + y + 2z = 354 …(1) Y + z / 2 + X = 163 2x + y + z = 326 …(2) x + z / 2 + y = 138 x + 2y + z = 276 …(3) Adding eq(1),(2),(3) and dividing it by 4, we get x + y + z = 239 ,,,(4) sub (1) - (4), z = 115 sub (2) - (4), x = 87 sub (3) - (4), y = 37 The average of largest and smallest = 115+37/2 = 76
P: The political awakening cannot be an isolated phenomenon; it requires some changes in social structure so that woman can enjoy as important a place a...
Indian IT/Business Process Management (BPM) sector is supporting nearly half a million jobs in 15 Asia-Pacific nations that are in nego...
1.      Hinduism began sometime between 2500 - 1500 BCE and differs significantly from other religions - in that it is not a religion.
2.�...
P: Then the liberalisation process became inevitable. Q: It encourages initiative, entrepreneurship and competition which is very vital for growth of th...
Faced with one of the worst dengue epidemics it has seen, this year the Tamil Nadu government responded by freely distributing a herbal concoction, nil...
Sentences of a paragraph are given below in jumbled order. Arrange the sentences in the right order to form a meaningful and coherent paragraph.
...
1. Most readers of Urdu-Hindi poetry are familiar with Muneer Niazi’s iconic nazm or free-verse poem Hamesha der kar deta hun main (‘I always leave...
The question below consists of a set of labeled sentences. Out of the four options given, select the most logical order of the sentences to form a cohe...
I cannot tell you the number of times that I have gone looking for the lavatory in a cinema and ended up standed in an alley on the wrong side of a self...
1) The apparently endless cycles of heartache over the H-1B visa stem from a fundamental reality that the visa itself is designed to be a non-immigrant ...
Relevant for Exams:
