# L&T Infotech Placement Questions & Answers :: L&T Infotech

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1 / 16

**Choose the correct option.**

Two boys begin together to write out a booklet containing 535 lines. The first boy starts with the first line, writing at the rate of 100 lines an hour; and the second starts with the last line then writes line 534 and so on, backward proceeding at the rate of 50 lines an hour. At what line will they meet?

A57th line

B375th line

C357th line

D380th line

**Answer:**** Option C **

**Explanation:**

Writing ratio = 100:50= 2:1

Since equal quantities are taken,

Therefore in a given time, first boy will be writing the line number

2/3 * 535

=> 356 2/3 or 357th line.

Hence, both of them shall meet on 357th line.

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2 / 16

**Choose the correct option.**

The day on 5th March of a year is the same day on what date of the same year?

A5th Nov

B6th Nov

C5th Dec

D6th Dec

**Answer:**** Option A **

**Explanation:**

Since any date in March is the same day of the week as the

corresponding date in November of that year.

So, the same day falls on 5th November.

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3 / 16

**Choose the correct option.**

Three vehicle speed ratio is 1:2:3 & time ratio is 3:2:1. What is the distance ratio?

A1:4:3

B2:4:3

C3:4:3

D4:3:5

**Answer:**** Option C **

**Explanation:**

Speed, let ratio be x................x : 2x : 3x

Time, let ratio be y..................3y : 2y : y

since distance = speed * time =3xy : 4xy :3xy = 3:4:3

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4 / 16

**Choose the correct option.**

A boat goes 24 km upstream and 28 km downstream in 6 hours. It goes 30 km upstream and 21 km downstream in 6 hours and 30 minutes. The speed of the stream is

A10 km/h

B5 km/h

C4 km/h

D6 km/h

**Answer:**** Option C **

**Explanation:**

if speed of the boat be x and stream speed be y

from the given question,

24/(x-y) + 28/(x+y) = 6

30/(x-y) + 21/(x+y) = 6.5

Taking 1/(x-y) as X and 1/(x+y) as Y

24X + 28Y = 6

30X + 21Y = 6.5

solving for X and Y==>

X = 1/6 and Y = 1/14

so x-y = 6 and x+y = 14

hence

x = 10 kmph and y = 4kmph

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5 / 16

**Choose the correct option.**

In a group of cows and hens, the number of legs are 14 more than twice the number of heads. The number of cows is :

A5

B7

C10

D12

**Answer:**** Option B **

**Explanation:**

Let no of cows be x, no of hens be y.

So heads=x+y

Legs=4x+2y

Now, 4x+2y = 2(x+y)+ 14

2x = 14

x = 7.

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6 / 16

**Choose the correct option.**

If 8 men and 6 boys can dig a well in 2 days, and 6 men and 2 boys can do it in 3 days, how long will 5 men and 3 boys take to do it?

A4.33

B4

C3

D3.33

**Answer:**** Option D **

**Explanation:**

Let 1 man's 1 day's work = x and 1 boy's 1 day's work = y.

so 8x+6y=1/2,& 6x+2y=1/3 on solving these two equation we get x=1/20 and y=1/60 days..5 men(x)+3 boy(y) 1 days work =(5/20+3/60)=3/10

so they will complete the work in 3.33 days.

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7 / 16

**Choose the correct option.**

Find the difference of minimum number of number required to form every number from 1 to 1234 and 1 to 4321.

A9

B7

C4

D3

**Answer:**** Option D **

**Explanation:**

In 1234

Unit place 1 to 1234 can be formed using 0 to 9 digits. i.e., 10 digits.

10's can be formed using 0 to 9 digits. i.e., 10 digits.

100's can be formed using 0 to 9 digits. i.e., 10 digits.

1000's can be formed using only one digit, 1. i.e., 1 digit.

total no of numbers required is 10 + 10 + 10 + 1 = 31.

in 4321 it is 10 + 10 + 10 + 4 = 34.

34-31=3

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8 / 16

**Choose the correct option.**

The ratio of the ages of Mona and Sona is 4:5. Twelve years hence, their ages will be in the ratio of 5:6. What will be Sona's age after 6 years?

A80

B66

C12

D14

**Answer:**** Option B **

**Explanation:**

Let their present ages be 4x & 6x

Then (4x + 12)/(5x + 12) = 5/6 ; x=12

Sona's age after 6 years = (5x +6) = 66 years

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9 / 16

**Choose the correct option.**

2 corner most boxes of a chess board(diagonally opposite) haven been cut out there's a rectangular block = 2 sqaures of chess board , how many such blocks can be placed on the chess board ?

A32

B45

C40

D30

ENone of above

**Answer:**** Option D **

**Explanation:**

chess board has 64 squares.so we can place 32 rectangular blocks,but 2 are cut off from the corner.

hence 32-2=30 blocks

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10 / 16

**Choose the correct option.**

A dealer professing to sell his goods at cost price, uses a 900 gm weight for a kilogram. His gain percent is

A9

B10

C11

D%s

**Answer:**** Option D **

**Explanation:**

formula is: error/(truevalue-error)*100

so 100/(1000-100)*100=100/900*100 = 11 1/9

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Here is the list of questions asked in L&T Infotech model papers for freshers L&T Infotech online test questions. Practice L&T Infotech Written Test Papers with Solutions and take Q4Interview L&T Infotech Online Test Questions to crack L&T Infotech written round test. Overall the level of the L&T Infotech Online Assessment Test is moderate. Only those candidates who clear the written exam will qualify for the next round, so practic all the questions here and take all the free tests before going for final selection process of L&T Infotech