Which of the following statement is not true?

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ICSE X - Online Exam Test Papers | ICSE X - MCQs[multiple choice questions and answers ] | ICSE X - Mock Test Papers | ICSE X - Practice Papers | ICSE X - Sample Test Papers |

Section A

Question:
Which of the following statement is not true?

1.All identity matrices are square matrix

2. All null matrices are square matrix

3.For a square matrix number of rows is equal to the number of columns

4.A square matrix all of whose elements except those in the leading diagonal are zero is the diagonal matrix

Posted Date:-2022-01-04 05:54:50

More MCQS Questions and answers

  1. If x ∈ W, then the solution set of the inequation - x > -7, is:
  2. 1.5, 3,x and 8 are in proportion, then x is equal to:
  3. If a polynomial 2x²-7x-1is divided by (x+3), then the remainder is:
  4. If matrix A is of order 3 *2 and matrix B is of order 2 x 2 then the matrix AB is of order:
  5. If QC= 6 cm, CR=4 cm, BR= 3 cm. The length of RP is:
  6. If x²-4 is a factor of polynomial x'+x² - 4x-4, then its factors are:
  7. ΔPQR-ΔBCR by axiom:
  8. Sum of the first 10 terms of this A.P. is:
  9. A man deposited 500 per month for 6 months and received 3300 as the maturity value. The interest received by him is:
  10. A man deposited ₹1200 in a recurring deposit account for 1 year at 5% per annum simple interest. The interest earned by him on maturity is:
  11. ABCD is a trpezium with AB parallel to DC. Then the triangle similar to AAOB is:
  12. If (x-2) is a factor of the polynomial x²+2x²- 13x +k, then 'k' is equal to
  13. If 5a/7a = 4c/3d then by Componendo and dividendo:
  14. If 73 is the nth term of the arithmetic progression 3, 8, 13, 18.., then 'n' is:
  15. if the time taken by train is 1 hour less than that taken by the car, then the quadratic equation formed is:
  16. The common difference of the A.P. is:
  17. The distance between station A and B by road is 240 km and by train it is 300 km. A car starts from station A with a speed x km/hr whereas a train starts from station B with a speed 20km/hr more than the speed of the car.
  18. The first three terms of an arithmetic progression (A.P) are 1,9,17, then the next two terms are:
  19. The mean proportion between 9 and 16 is:
  20. The nth term of an arithmetic progression (A.P.)is ( 3n+1): The first three terms of this A. P. are
  21. The percentage share of SGST of total GST for an Intra-State sale of an article is:
  22. The ratio PQ: BC is:
  23. The roots of the quadratic equation 4x²-7x+2 -0 are 1.390, 0.359. The roots correct to 2 significant figure are:
  24. The roots of the quadratic equation x²+2x+1=0 are:
  25. The solution set for the linear inequation -8 ≤ x-7<-4,x ∈ I is:
  26. The solution set representing the following number line is:
  27. The speed of the car is:
  28. The time taken by car to reach station A is:
  29. The total amount to be paid for the above bill is:
  30. The triangle similar to ΔARQ is :
  31. Which of the following is not a term of this A.P?
  32. Which of the following statement is not true?
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