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Shorya rathore 5 years ago

Prove by the mathematical induction method that 7²n +2³n-³.3n-¹ is divisible by 25for all n€N

Reply Like? Yes (53) | No (18)

Sukywukymywukysuky 2 years ago

No no no no no no no no no No no no no no no no no noNo no no no no no no no noNo no no no no no no no no(Sorry for long text because it saay to short and sorry for bad english)

Like? Yes (18) | No (11)

Bahadure Sumedh Subhash 11 Months ago

Hiii, Shorya Rathore We Wanna Be Friends

Like? Yes (5) | No (2)

Mani teja 7 years ago

an ant smartly moves across a staircase taking the shortest distance. calculate the distance it takes to reach top to B from A given that staircase consist of 2 steps. it also known that the length,breadth and height is 6cm,2cm and 1cm respectively

Reply Like? Yes (2) | No

~Sandeep~ 7 years ago

Shortest distance would be when ant doesn't travel any distance in the direction of length while climbing the height or passing the breadth.
So for one stair the smart Ant should cover = Height of Stair+ Breadth of stair = 1+2 =3 cm

So for 2 stairs the shortest distance traveled by Ant = 2*3= 6 cm

Like? Yes (2) | No (3)

Dimple 7 years ago

Ant will move diagonally on each step covering a distance of sqrt 5 cms.
Hence total distance travelled for two steps = 2*sqrt 5 cms.

Like? Yes (3) | No (1)

raushan kumar 6 years ago

Assume there is a staircase with 2 steps length = 6cm and breadth and height are 1 and 2
so the shortest distance is from left end of the 1st step to right end of the 2nd step which forms a right angled triangle, triangle side are AB, AC and BC.
By using pythagoras theorem,
AC^2 = AB^2+BC^2
AC^2 = 6^2+(2+1+2+1)^2 [height + breath of 2 steps]
AC^2 = 36+36
AC = 6 _/ 2

Like? Yes (1) | No

akshay 7 years ago

Give me suggestions how will i prepare for TCS written exam and what kind of questions comes in the exam is there any repetitive questions also comes in TCS exam...

Reply Like? Yes | No

nada 8 years ago

Determine the formula of the following sequence:
a. 4,5,9,18,34,59,...
b. 4,5,6,6,7,7,8,8,....

please, help me:)

Reply Like? Yes (6) | No (3)

Goutam Subha Pradhan 9 years ago

a pipe can fill a tank in 12 hours and another can empty it in 24 hours. if both pipes are used , with the first pipe running for 2 hour and second pipe running for 1 hour alternatively . how long will it take to fill the tank?

Reply Like? Yes | No (4)

Sabarisan 9 years ago

It will take 15 hrs 45 min to fill the tank

Like? Yes (3) | No

nayana 9 years ago

i think its 14 hrs..

Like? Yes | No (1)

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Prabhat kumar (M)

Total Points 24861
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M4 Score

100

Score from best 50 Questions

Attempted 50
Date Points

30 Aug 21 20
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Total 1000
M4 Score1000 / 10 = 100

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