Given, x² - 4x - 1 = 0 ⇒ x - 4 - 1/x = 0 [Dividing both sides by x] ⇒ x - 1/x = 4 ⇒ (x - 1/x)² = 4² [Squaring on both sides] ⇒ x² + 1/x² - 2 = 16 ⇒ x² + 1/x² = 18
Select the number from among the given options that can replace the question mark (?) in the following series.
2, 13, 29, 55, 96, 157, 243, ? ...
Three of the following letter-clusters are alike in some manner and one is different.
Select the one that is different.
Read the given statements and conclusions carefully. Assuming that the information given in the statements is true, even if it appears to be at variance...
How many meaningful four-letter English words can be formed using T, U, K and S using each letter only once in each word?
Three statements are followed by four conclusions number I, II, III and IV. You have to consider these statements to be true, even if they seem at vari...
Select the correct option from the following options which could create a full square (3 out of 5 images below):
Select the correct option from the given options that can make a full square. (3 of the 5 images given below are given)
A is the good of B, which is the only son of C. D is the husband of C. What does A have to do with C?
If G > T, H < R, R < T, H = M, M > N, then which of the following conclusions will not be correct?
