Aptitude Questions and Answers for Competitive Exams
The least number, that must be added to 1720 so as to obtain a perfect cube, is?
(A) 7
(B) 8
(C) 11
(D) 13
Correct Answer : B
The average of the marks obtained in an examination by 8 students was 51 and by 9 other students was 68. The average marks of all 17 students was?
(A) 59
(B) 59.5
(C) 60
(D) 60.5
Correct Answer : C
Explanation :
If the average marks of three batches of 55, 60 and 45 students respectively is 50, 55 and 60, then the average marks of all the students is?
(A) 54.68
(B) 53.33
(C) 55
(D) None of these
Correct Answer : A
Explanation :
If the length of the diagonal AC of a square ABCD is 5.2 cm, then the area of the square is?
(A) 15.12 sq.cm
(B) 13.52 sq.cm
(C) 12.62 sq.cm
(D) 10.00 sq.cm
Correct Answer : B
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Rajesh Bhatia
A Writer, Teacher and GK Expert. I am an M.A. & M.Ed. in English Literature and Political Science. I am highly keen and passionate about reading Indian History. Also, I like to mentor students about how to prepare for a competitive examination. Share your concerns with me by comment box. Also, you can ask anything at linkedin.com/in/rajesh-bhatia-7395a015b/.
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