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Datagrokr Interview Questions
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The average of 6 numbers is 10. If each of these numbers is divided by 2 and then 1 is subtracted from each of these resultant numbers, then find the new average?
A. 2
B. 3
C. 4
D. 5
196 views
Admin
Changed status to publish
November 17, 2021
Aptitude
Averages
0
Votes
0
Ans
The number of non-zero rows in an echlon form is called ?
A. rank of a matrix
B. cofactor of the matrix
C. reduced echlon form
D. conjugate of the matrix
238 views
Admin
Changed status to publish
December 30, 2021
Aptitude
Matrices and determinants
0
Votes
0
Ans
ABCDE are sisters. Each of them gives 4 gifts and each receives 4 gifts No two sisters give the same combination ( e.g. if A gives 4 gifts to B then no other sisters can give four to other one.)
464 views
Aptitude
0
Votes
0
Ans
Find the average of all even No’s up to 100 or average of first 50 even No’s.
A. 51
B. 47
C. 43
D. 42
459 views
Admin
Changed status to publish
November 17, 2021
Aptitude
Averages
0
Votes
0
Ans
The age of father 10 years ago was thrice the age of his son. Ten years hence, father’s age was five times the age of the son. After 6 years, son’s age will be:
A. 7 : 3
B. 3 : 7
C. 7 : 4
D. 4 : 7
181 views
Admin
Changed status to publish
December 29, 2021
Aptitude
Problems on Ages
0
Votes
0
Ans
Evaluate: √0.4225
A. 0.64
B. 0.65
C. 0.66
D. 0.67
590 views
Admin
Changed status to publish
November 23, 2021
Aptitude
Square root and Cube root
0
Votes
0
Ans
1/8 is devided by ‘s’ , if ‘s’ is incresed by 2 times, what is the result.
212 views
General Aptitude
0
Votes
0
Ans
What is the probability that a leap year has 53 Sundays and 52 Mondays?
A. 1/3
B. 1/5
C. 1/7
D. 1/9
140 views
Admin
Changed status to publish
January 3, 2022
Aptitude
Probability
0
Votes
0
Ans
A hemisphere and a cone have equal bases. If their heights are also equal, then the ratio of their curved surfaces will be :
A. √2 : 1
B. √4 : 1
C. √3 : 1
D. √5 : 1
143 views
Admin
Changed status to publish
November 24, 2021
Aptitude
Volume and Surface Area
0
Votes
0
Ans
The ratio between the perimeter and the breadth of a rectangle is 5 : 1 . If the area of the rectangle is 216 sq.cm. . what is the length of the rectangle ?
A. 18 cm
B. 19 cm
C. 20 cm
D. 21 cm
175 views
Admin
Changed status to publish
November 18, 2021
Aptitude
Areas
0
Votes
0
Ans
Find the annual income derived by investing Rs. 7800 in 10% stock at 136.
A. 573.53
B. 570
C. 575
D. 580
400 views
Admin
Changed status to publish
January 6, 2022
Aptitude
Stocks & Shares
0
Votes
0
Ans
The sum of five consecutive odd numbers of set p is 435. What is the sum of five consecutive numbers of another set q. Whose largest number is 45 more than the largest number of set p?
A. 670
B. 660
C. 650
D. 640
199 views
Admin
Changed status to publish
November 23, 2021
Aptitude
Problems on Numbers
0
Votes
0
Ans
If a car starts from A towards B with some velocity due to some problem in the engine after travelling 30km.If the car goes with 4/5 th of its actuval velocity the car reaches B 45min later to the actual time. If the car engine fails ofter travelling 45km, the car reaches the destination B 36min late to the actual time , what is the initial velocity of car and what is the distance between A and B in km
589 views
General Aptitude
0
Votes
0
Ans
What is your ideal company or workplace?
245 views
HR
0
Votes
0
Ans
Find the total no of 10 digits whose sum is 4.Â
344 views
Aptitude
0
Votes
0
Ans