An exam was conducted and the following was analyzed. 4 men were able to check some exam papers in 8 days working 5 hours regularly. What is the total number of hours taken by 2 men in 20 days to check double the number of exam papers?
4 hours
6 hours
8 hours
7 hours
A square photograph is set inside a square frame. If the photograph has a side length of n, and the width of the frame is p, which of the following represents the area of the frame?
Select a suitable figure from the Answer Figures that would replace the question mark (?).


Find the next number in the series of 3, 12, 7, 26, 15, ?
Find the missing number:
5, 8, 28, 162, ?, 12870
The numbers from 101 to 150 are written as, 101102103104105…146147148149150. What will be the remainder when this total number is divided by 3?
A square photograph is set inside a square frame. If the photograph has a side length of n, and the width of the frame is p, which of the following represents the area of the frame?
Select a suitable figure from the Answer Figures that would replace the question mark (?).


Find the next number in the series of 3, 12, 7, 26, 15, ?
Find the missing number:
5, 8, 28, 162, ?, 12870
The numbers from 101 to 150 are written as, 101102103104105…146147148149150. What will be the remainder when this total number is divided by 3?
A square photograph is set inside a square frame. If the photograph has a side length of n, and the width of the frame is p, which of the following represents the area of the frame?
Select a suitable figure from the Answer Figures that would replace the question mark (?).


Find the next number in the series of 3, 12, 7, 26, 15, ?
Find the missing number:
5, 8, 28, 162, ?, 12870
The numbers from 101 to 150 are written as, 101102103104105…146147148149150. What will be the remainder when this total number is divided by 3?