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Placement Papers with Solutions

(#M40001016) TCS QUESTION Keep an EYE

From each of the two given numbers,half of the smaller number is subtracted. of the resulting numbers,the largest is three times the smaller one.what is the ratio of the two numbers?
(a)5:4(b)5:2(c)3:2(d)2;1(e)7:4

Asked In TCS Ragini (14 years ago)

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(#M40001015) TCS QUESTION Keep an EYE

The average age of all boys in the class is 16.66,while the average age of all girls in the same class is 18.75.Thus the average marks of all 40 students in the class is 17.5.what is the number of girls in the class?
(a)12(b)16(c)18(d)20 (e)data insufficient

Solution

question will be correct if we use marks in the place of age
ans : x*18.75 + (40-x)*16.66 = 40*17.5
on solving we get x = 16

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Asked In TCS Ragini (14 years ago)

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(#M40001014) TCS QUESTION Keep an EYE

There are 6 positive and 8 negative numbers. Four numbers are choosen at random and multiplied.the probability that the product is positive is:
(a)500/1001 (b)503/1001 (c)303/1001 (d)101/1001 (e)505/1001

Asked In TCS Ragini (14 years ago)

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(#M40001005) TCS QUESTION Keep an EYE

From the top of a building 60metre high the angles of depression of the top and bottom of a tower are 30 degree and 60 degree respectively.the height of the tower is: (a)40m(b)30m(c)20m(d)50m(e)20root3m

Asked In TCS Ragini (14 years ago)

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(#M40001004) TCS QUESTION Keep an EYE

The population of bacteria culture doubles every 2 minutes.approximately how many minutes will it take for the population to grow from 1000 to 500,000 bacteria?
(A)10 (B)12 (C)14 (D)18 (E)20

Asked In TCS Ragini (14 years ago)

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(#M40000993) TCS QUESTION Keep an EYE

A class photograph has to be taken.the first row consists of 6 girls who are sitting.20 boys are standing behind.The two comer position are reserved for the two tallest boy.In how many ways can the students be arranged?
(A)18!*720 (B)6!*1440 (C)18!*2!*1440 (D)18!*1440 (E)none of these

Asked In TCS Ragini (14 years ago)

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(#M40000992) TCS QUESTION Keep an EYE

The sum of two times one natural number and three times another natural number is less than 24. if the first natural number is less than or equal to eight,the highest value of the second natural number is:
(A)5 (B)6 (C)7 (D)8 (E)9

Asked In TCS Ragini (14 years ago)

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(#M40000991) TCS QUESTION Keep an EYE

Variable R and S are related by the equation R=1/S2(1 by S square).now,if S is increased by 10%,what will happen to R?
(A)R decreased by 19% (B)R decreased by 10% (C)R decreased by 17% (D)R decreased by 21% (E)R increased by 21%

Asked In TCS Ragini (14 years ago)

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(#M40000990) TCS QUESTION Keep an EYE

The distance between charu's and mani's places is 120km. charu traveled the whole distance from her place to mani's at 30km/hr but returned at 40km/hr.her average speed for the whole journey is(approx)
(A)36km/hr (B)37km/hr (C)33km/hr (D)34km/hr (E)35km/hr

Asked In TCS Ragini (14 years ago)

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(#M40000989) TCS QUESTION Keep an EYE

A square is drawn inside a right angled triangled with the two perpendicular sides as 12cm and 8cm.what is the side of the largest possible square that can be drawn?
(A)4cm (B)4.8cm (C)4.5cm (D)4.4cm (E)5cm

Asked In TCS Ragini (14 years ago)

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