Tag: math & puzzles

Vacuum Cleaner

United States of America

In a two-digit number, if it is known that its ten's digit exceeds its unit's digit by 2 and that the product of the given number and the sum of its digits is equal to 252 then the number is:

A monkey, at the bottom of a well, begins climbing the wall. It climbs for one hour and rests the next hour. In one hour it climbs 4 meters. In the one hour it rests, it slips back 2 meters. If the height of the wall is 20 meters, then the time taken by the monkey to climb out of the well(in hours) is?

Find the odd man out in the following set of numbers: 396, 462, 572, 396, 427, 671, 264

What is the sum of two consecutive odd numbers, the difference of whose squares is 48?

Which of the following two statements is correct? 1. Peacocks lay eggs. 2. A Peacock lays eggs.

The 2015 ICC Cricket World Cup will be hosted by which country?

For the given expression 4x^2+2x+1.(sum of roots)+(product of roots)