Latest NDA Aptitude Question SOLUTION: What is the value of the minor of the element 9 in the determinant 9 24 2 0 13 1 10 19 2

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Previous Question: If A and B are two non-singular square matrices such that AB = A, then which one of the following is correct ? (a) B is an identity matrix (b) B = A^–1 (c) B = A^2 (d) Determinant of B is zero Next Question: For the next six (06) questions that follow: In a state with a population of 75 × 106, 45% of them know Hindi, 22% know English, 18% know Sanskrit, 12% know Hindi and English, 8% know English and Sanskrit, 10% know Hindi and Sanskrit and 5% know all the three languages. Q.61 What is the number of people who do not know any of the above three languages ? (a) 3 × 106 (b) 4 × 106 (c) 3 × 107 (d) 4 × 107 Ans. [c] Q.62 What is the number of people who know Hindi only ? (a) 21 × 106 (b) 25 × 106 (c) 28 × 106 (d) 3 × 107 Ans. [a] Q.63 What is the number of people who know Sanskrit only ? (a) 5 × 106 (b) 45 × 105 (c) 4 × 106 (d) None of the above Ans. [d] Q.64 What is the number of people who know English only ?

(#M40026577) NDA question Mental Ability Keep an EYE

What is the value of the minor of the element 9 in the determinant
9 24 2
0 13 1
10 19 2: Asked In NDA MAN (10 years ago); Unsolved; Is this Puzzle helpful? (1) (0) Submit Your Solution

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Previous Question: If A and B are two non-singular square matrices such that AB = A, then which one of the following is correct ? (a) B is an identity matrix (b) B = A^–1 (c) B = A^2 (d) Determinant of B is zero Next Question: For the next six (06) questions that follow: In a state with a population of 75 × 106, 45% of them know Hindi, 22% know English, 18% know Sanskrit, 12% know Hindi and English, 8% know English and Sanskrit, 10% know Hindi and Sanskrit and 5% know all the three languages. Q.61 What is the number of people who do not know any of the above three languages ? (a) 3 × 106 (b) 4 × 106 (c) 3 × 107 (d) 4 × 107 Ans. [c] Q.62 What is the number of people who know Hindi only ? (a) 21 × 106 (b) 25 × 106 (c) 28 × 106 (d) 3 × 107 Ans. [a] Q.63 What is the number of people who know Sanskrit only ? (a) 5 × 106 (b) 45 × 105 (c) 4 × 106 (d) None of the above Ans. [d] Q.64 What is the number of people who know English only ?

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