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siemens interview questions and answers

377 Articles

The LCM of three different numbers is 1024. Which one of the following can never be there HCF ?

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Answer : C. 124

If the sum of two numbers is 55 and the H.C.F. and L.C.M. of these numbers are 5 and 120 respectively, then the sum of the reciprocals of the numbers is equal to ?

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Answer : A. 11/120

If A=x3y2 and B=xy3 then find the HCF of A, B ?

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Answer : B. xy2

Find the greatest number that will divide 148 246 and 623 leaving remainders 4 6 and 11 respectively ?

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Answer : B. 12...

The LCM of two positive no’s is 168 and their product is 504. what is the difference in their squares ?

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Answer : D. 135...

Least of number which when divided by 35,45,55 and leaves remainder 18,28,38 is ?

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Answer : 3448

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

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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 ?

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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 ?

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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 ?

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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 ?

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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 ?

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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 ?

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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 ?

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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 ?

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Answer : B. 925 m²

A polygon has 77 diagonals. Determine the number of sides ?

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Answer : D. 14

The speed of the train is 49kmph crosses the pole in 7 second. Find the distance.

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Answer : 95.28

Length of the train is 170 meters and speed of the train is 63 km/hour. This train can pass a bridge in 30 seconds, then find the length of the bridge ?

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Answer : A. 355 mtrs

A train speed past a pole in 15 seconds and a platform 100 m long in 25 seconds. Its length is ?

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Answer : B. 150 m

Two trains of equal length, running in opposite directions, pass a pole in 18 and 12 seconds. The trains will cross each other in ?

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Answer : A. 14.4 sec

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