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Frequently Asked TCS Numerical Ability - Log and Antilog Interview Questions with Answers

(#M40040704) TCS QUESTION Keep an EYE

If log 0.318=0.3364 and log 0.317=0.33320 then log 0.319 =?

a) 0.33365
b) 0.3368
c) 0.3396
d) 0.3369

Asked In TCS pushpa Kumari (10 years ago)

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(#M40117758) TCS QUESTION logarithm Keep an EYE

Find the summation of log(n), where n is a series of numbers from 1 to 1024. (Take the base of logarithm as 2).

Asked In TCS Aritra Ray (10 years ago)

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(#M40165504) TCS QUESTION TCS Logical Keep an EYE

The log values of two numbers to the base 10 are given as below:
X log10X
3.141 cc
3.142 0.4972061807
Find log103.143.
(a) 0. 49734 (b) 0.59720 (c) 0.49110 (d) 0.49420 (e) 0.49440

Asked In TCS Mehul KOTHARI (6 years ago)

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(#M40152382) TCS QUESTION time and distance Keep an EYE

A & B start towards each other. dist. between them 90km. A's speed=10km/h B's speed=5km/h. every hour the speed gets doubled. How much distance will A cover before meeting B?

Asked In TCS Souradeep Guhathakurta (9 years ago)

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(#M40156528) TCS QUESTION log Keep an EYE

log base 3^2 *5^4 * log base 5 ^2 *3^4

Asked In TCS Armaan (9 years ago)

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(#M40011457) TCS QUESTION profit andloss Keep an EYE

A merchant buys two dolls voodoo and hopi kachinafor Rs.600. With a doll-based script hitting the silver screen at that time, the hopi kachino types of dolls became obnoxious among kids while voodoo dolls gained much hype. Due to this, behind scene logics, He sells voodoo doll at a profit of 22% and the other at a loss of 8% and makes no profit or loss in the end. What is the selling price of the hopi kachina doll ?

Asked In TCS sarath babu (12 years ago)

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(#M40039452) TCS QUESTION Number system Keep an EYE

x = 1! + 2! + 3! + 4! + ... + 100!. What is the unit's digit of
(x^)x^ x^ x........?

a. 3
b. 1
c. 7
d. 0
e. Can't be determined.

Asked In TCS A.Hema sowjanya (10 years ago)

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(#M40010793) TCS QUESTION Keep an EYE

a drawer holds 4 red hats n 4 blue hats. what is the probability of getting exactly 3 red hats or exactly 3 blue hats when taking out 4 hats randomnly out of the drawer n immediatly returning evry hat to the drawer b4 taking out the next!??

1/2
1/8
1/4
3/8

Asked In TCS (12 years ago)

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(#M40002662) TCS QUESTION tcs Keep an EYE

The citizens of planet Oz are fingered and thus have developed a number system in base 6. A certain street in Oz contains 1000 buildings numbered from 1 to 1000. How many 2’s are used in numbering these buildings? Express your answer in base 10.
(a) 144
(b) 24
(c) 108
(d) 36

Asked In TCS purvi (13 years ago)

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(#M40040048) TCS QUESTION permutation and combination Keep an EYE

In how many ways seven letter between A & B can be arranged from alphabets so that there is no repetition?

Asked In TCS purva (10 years ago)

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