Anoop and Sunil are ranked seventh and eleventh respectively from the top in the class of 31 students. What will be their respective ranks from the bottom in the class?

Smita reckoned sixteenth from the top and twenty-ninth from the bottom among those who have passed an examination. Six students did not appear in the examination and five failed in it. How many stude…

What number would come in the place of question mark ? (Figure: a six-pointed star. Top point 7, upper-right 18, lower-right 40, bottom ?, lower-left 172, upper-left 348.)

What will be the next item in the series 7, 11, 19, 35, 67, ________ ?

Find the missing number (?) in the given figure. (Figure: a rectangle divided by both diagonals and a vertical centre line into six parts — top-left 8192, top-right ?, left 256, right 4, bottom-left…

Let N be the greatest number that will divide 600, 631 and 724, leaving the same remainder. What is the value of N?