Datagrokr Interview Questions

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 viewsAdmin Changed status to publish November 17, 2021Aptitude Averages

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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 viewsAdmin Changed status to publish December 30, 2021Aptitude Matrices and determinants

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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 viewsAptitude

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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 viewsAdmin Changed status to publish November 17, 2021Aptitude Averages

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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 viewsAdmin Changed status to publish December 29, 2021Aptitude Problems on Ages

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Evaluate: √0.4225
A. 0.64
B. 0.65
C. 0.66
D. 0.67

590 viewsAdmin Changed status to publish November 23, 2021Aptitude Square root and Cube root

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1/8 is devided by ‘s’ , if ‘s’ is incresed by 2 times, what is the result.

212 viewsGeneral Aptitude

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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 viewsAdmin Changed status to publish January 3, 2022Aptitude Probability

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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 viewsAdmin Changed status to publish November 24, 2021Aptitude Volume and Surface Area

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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 viewsAdmin Changed status to publish November 18, 2021Aptitude Areas

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Find the annual income derived by investing Rs. 7800 in 10% stock at 136.
A. 573.53
B. 570
C. 575
D. 580

400 viewsAdmin Changed status to publish January 6, 2022Aptitude Stocks & Shares

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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 viewsAdmin Changed status to publish November 23, 2021Aptitude Problems on Numbers

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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 viewsGeneral Aptitude

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What is your ideal company or workplace?

245 viewsHR

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Find the total no of 10 digits whose sum is 4.Â

344 viewsAptitude

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