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Start learning 50% faster. Sign in nowArea of a circle = πr2 Let radius of circular pool be ‘a’ meter Given, Radius of circular path = a + 4 Area of a circular pool = πa2 Area of a pool + circular path = π(a + 4)2 Given, ⇒ π(a + 4)2 – πa2 = 40% × πa2 ⇒ π(a + 4)2 – πa2 = 11/25 × πa2 ⇒ a2 + 8a + 16 – a2 = 11a2 /25 ⇒ 11a2 – 200a – 400 = 0 ⇒ 11a2 – 220a + 20a – 400 = 0 ⇒ 11a(a – 20) + 20(a – 20) = 0 ⇒ a = -20/11 or a = 20 ∴ Radius of a pool is 20 m.
Spinning and weaving exploded _______ to big garment factories, dyeing ______ the rivers and water table with chemicals.
In the following question, an incomplete statement followed by fillers is given. Pick out the best filler to complete the incomplete statement, correct...
____ people as they are and have tolerance with their weaknesses.
The following statements have two blanks which are to be filled in with options given below. Choose the correct combination of words in the same order ...
The scheme will help create more hospitals and will create lot of_____________ for doctors and paramedical staff.
Given below are a few sentences with two blanks in each. Below each sentence are given four pair of words among which one pair might fill the blank. If...
Despite his ___ efforts, he could not ___ the dismal situation he found himself in.
You have given ____________ opinion, now you have to wait for ____________.
Fill in the blank with the most appropriate word.
He is a kind of person……never listens to my advice.
Fill in the blanks with the appropriate antonym of the words highlighted from among the choices given below them.
John was haughty but his s...
