A certain number of persons are standing in a straight row facing North. X is standing to the immediate left of W but immediate right of R. Z is standing to the immediate left of R. There is only one person to the left of P. Q is standing to the immediate left of Y. The person standing at the extreme right end is the only person to the right of Y. Only four persons are standing between P and Q. If no other person is standing in the row, what is the total number of persons standing?
A cylindrical rod has an outer curved surface area of 2800 cm². If the length of the rod is 100 cm, then the outer radius (in cm) of the rod, correct to two places of decimal, is:
Take π = 22/7
Which of the following terms will replace the question mark (?) in the given series to make it logically complete?
Series: EKS36, GPX48, LUC60, QZH7?, ?
Study the given number series and answer the question that follows.
(Left) 9 6 7 6 8 2 5 7 3 2 5 8 6 2 7 5 4 9 2 4 7 3 8 5 (Right)
How many such even numbers are there each of which is immediately preceded by an odd number and also immediately followed by an odd number?