Question
If 3x + (1/3x) = 8 then find 27x3 +
(1/27x3) = ?Solution
If 3x + (1/3x)  = N then 27x 3 + (1/27x 3) =  N3 - 3N = 83 - 3 x 8 = 512 - 24 = 488 ` `
In the question, assuming the given statements to be true, find which of the conclusion (s) among given two conclusions is /are definitely true and the...
There are ďŹve girls O, P, Q, R and S standing in a line. P is taller than S but shorter than O. R is shorter than S but taller than Q. Who is the tall...
Six persons L, M, N, O, P, and Q have different heights. L is shorter than P but taller than N. At least one person is shorter than O. M is shorter than...
Six persons S, T, U, V, W and X have different weights in kg. T is heavier than U but lighter than S, who is the second heaviest among all. W is lighter...
How many persons are shorter than L?
Mohan is ranked 11th from the top in his class. When counted from the bottom, he is ranked 40th. What is the total number of students in the class?
If BOOK - PAGE = 7, then LAMP - LIGHT = ?
Six persons P, V, A, S, K and R have different weights. A is heavier than only one person. V is just heavier than R, who is heavier than S. K is heavier...
How many persons have better marks than V?
A is 2 years older than B but 1 year younger than C. B is twice as old as D. If D's age is 25 years, what is the age (in years) of C ?
Relevant for Exams:
