TCS Company Numerical Ability Number System

41ⁿ - 14ⁿ is divisible by ___ when n belongs to N.
1)27 2)9 3)3 4) All of the above

Read Solution (Total 2)

all of the above ...because if power n will even or odd number will be 41-14 always.. i.e 27 and 27 is also divisible by 9 and 3
4 years agoHelpfull: Yes(6) No(0)

The answer is 27
4 years agoHelpfull: Yes(1) No(2)

TCS Other Question

There is a shop that sells cylindrical cans containing peanut butter. All the cylindrical cans are uniform with diameter of each being 16 cm and height being 24 cm. You are planning to buy 50 such cans and place label of company around the surface of each can at a uniform spacing of 2 cm from both the top and the bottom of the can. The ends of the label just join together. What is the area of paper, in cm², that is required to print such labels for the cans that you are planning to buy?
1)1600 π 2)2400 π 3)16000 π 4)3200 π From a point X that is external to a circle, tangents are drawn to the circle. What is the angle between the radius of the circle that is drawn from the point of contact to the centre O and the straight line that joins X to O? Given that the angle between tangents is 80 degree at X.
1)50 degrees 2)25 degrees 3)45 degrees 4) Such an angle is not possible