tcs ninja interview questions and answers

George does 3/5th of a piece of work in 9 days. He then calls Paul and they finish the work in 4 days. How long would Paul take to do the work by himself ?

August 18, 2021

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August 18, 2021

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Answer : C . 30

The ratio of efficiency of A is to C is 5:3. The ratio of no.of days taken by B is to C is 2:3. A takes 6 days less than C, when A and C completes the work individually. B and C left the work after 2 days. The no of days taken by A to finish the remaining work ?

August 18, 2021

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August 18, 2021

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Answer : C. 6

Y can do a work in 2/3 the time it takes x, z can do same work in 3/4 time it takes y. when all three are typing the same time what is the fraction of total work does y do ?

August 18, 2021

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August 18, 2021

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Answer : A . 4/13

A, B and C can do a piece of work in 20, 30 and 60 days respectively. In how many days can A do the work if he is assisted by B and C on every third day ?

August 18, 2021

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August 18, 2021

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Answer : C. 15

Babla alone can do a piece of work in 10 days ashu alone can do it in 15 days. The total wages for the work in Rs.5000. How much should babla be paid of they work together for entire duration of the work ?

August 18, 2021

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August 18, 2021

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Answer : B. 3000

A Certain sum of money is sufficient to pay either George’s wage for 15 days or Mark’s wages for 10 days. For how long will it be sufficient if both George and Mark work together ?

August 18, 2021

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August 18, 2021

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Answer : B. 6

A alone can do 1/4th of the work in 2 days. B alone can do 2/3rd of the work in 4 days. If all the three work together, they can complete it in 3 days so what part of the work will be completed by C in 2 days ?

August 18, 2021

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August 18, 2021

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Answer : A. 1/12

Jake can dig a well in 16 days. Paul can dig the same well in 24 days. Jake, Paul and Hari together dig the well in 8 days. Hari alone can dig the well in ?

August 18, 2021

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August 18, 2021

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Answer : A. 48

Thomas takes 7 days to paint a house completely whereas raj requires 9 days to paint the same house completely. how many days will take to paint the house if both them work together ?

August 18, 2021

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August 18, 2021

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Answer : C. 4

4 men can check exam papers in 8 days working 5 hours regularly. What is the total hours when 2 men will check the double of the papers in 20 days ?

August 18, 2021

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August 18, 2021

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Answer : A. 8 hours

Which of the following graph indicates the graph of {(sin t, cos t):- π/2 ≤ t ≤ 0} in xy-plane ?

August 17, 2021

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August 17, 2021

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Answer : C. b

What is the radius of the circular plate of thickness 1 cm made by melting a sphere of radius 3 cm ?

August 17, 2021

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August 17, 2021

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Answer : A. 6 cm

In triangle PQR, PQ = 6 cm, PR = 8 cm, and QR = 12 cm. Calculate the area of the triangle PQR ?

August 17, 2021

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August 17, 2021

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Answer : C. 21.33 cm2

If the perimeter and the diagonal of a rectangle is 18 cm and √41 cm respectively.Calculate the area of the rectangular field ?

August 17, 2021

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August 17, 2021

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Answer : D. 20 cm2

Find the area of Rhombus one of whose diagonals measures 8 cm and the other 10 cm ?

August 17, 2021

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August 17, 2021

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Answer : C. 40 cm2

Determine the metal required to make a 21 m long pipe if its inner and outer diameter is 12 m and 10 m respectively ?

August 17, 2021

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August 17, 2021

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Answer : A. 725 m3

An oblong piece of ground measures 19m 2.5dm by 12m 5dm.From center of each side of the ground, a path 2m wide goesacross to the center of the opposite side.What is the area of the path ?

August 17, 2021

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August 17, 2021

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Answer : C. 78.54 m2

A square field of area 31684 m2 is to be enclosed with the wireplaced at height 1 m, 2 m, 3 m, 4 m above the ground. What length of the wire will be required if its length required for each circuit is 5% greater than the perimeter of the field ?

August 17, 2021

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August 17, 2021

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Answer : C. 2990.4 m

A rectangular grassy plot is 112 m by 78 m. It has a gravel path 2.5 m m wide all around it on the inside. Find the area of the path ?

August 17, 2021

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August 17, 2021

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Answer : B. 925 m²