Question
Given x=2y+4 and y=kx+6 are the lines of regression of x
on y and y on x respectively. Find the value of k if value of r is 0.5.Solution
A group of seven students A, B, C, D, E, F and G are going to form two terms. Each team can have a maximum of four members. A and B cannot be in the sam...
Select the correct mirror image from the following options, when the mirror is placed on the right side of the given figure.
Five friends, Purva, Roshan, Vibhor, Luna and Anuj, are wearing five different coloured T-shirts, red, black, purple, yellow and blue. Each of the frien...
Three of the following four letter-clusters are alike in a certain way and one is different.
Pick the odd one out.
Which letter-cluster will replace the question mark (?) in the following series?
CED, FJH, KQN, (?) , AKF
Which of the following numbers will replace the question mark (?) in the given series?
990, 891, 792, ?, 594
Six people - C, D, E, X, Y, and Z, are of different ages. Only one person is younger than Y. X is older than E but younger than D. E is older than Y. Ne...
In the following question, select the missing number from the given series.
12, 24, 72, 288, 1440, ?
Rohit drives 3 km towards north from point A. He takes a left turn and drives 4 km. Again he takes a left turn and drives 6 km. Finally, he takes a left...
In this question, after a statement i and ii two conclusions have been given. Assuming the given in the statement together as truth, consider both the f...