Good in English = Y, Z; hence W /∈ English.
Also given: Good in Science = W, X, Y, Z (i.e., all four).
Check each option:
(a) Requires W to be good in English, but W is not in the English set ⇒ (a) is false.
(b) Matches the Science set exactly: W, X, Y, Z ⇒ (b) is true.
(c) Science holds for W , but we have no confirmed data that W is good in Social Studies and
Hindi ⇒ not definitely true.
(d) A three-subject not-good claim about Y (Mathematics, Hindi, Social Studies) is unsupported by the facts ⇒ not definitely true.
Therefore, only (b) is definitely true.
Shown below is an arrangement of closely stacked spheres. Assume each one to be in contact with its immediate neighbour. What is the total number of points where the spheres touch each other?
Which option will replace the question mark?
A monospaced font is a font in which all characters are exactly of same width. A document uses a monospaced font for typesetting where each character is exactly 0.6 cm wide. A text line in this document contains only 10 words, where each word contains 6 characters. What is the length of the line in cm?
Shown below are three perspective views of a solid object. How many surfaces does the object have? Assume hidden surfaces to be flat.