Home
Class 9
MATHS
Once again you are given four cards. Eac...

Once again you are given four cards. Each card has a number printed on one side and a letter on the other side. Which are the only two cards you need to turn over to check whether the following rule holds ?
''If a card has a consonant on one side, then it has an odd number on the other side.''

Promotional Banner

Topper's Solved these Questions

  • APPENDIX A

    SUBHASH PUBLICATION|Exercise EXERCISE A 1.3|3 Videos

  • APPENDIX A

    SUBHASH PUBLICATION|Exercise EXERCISE A 1.4|10 Videos

  • APPENDIX 2 INTRODUCTION TO MATHEMATICAL MODELLING

    SUBHASH PUBLICATION|Exercise EXERCISE A2.1|4 Videos

  • AREA OF PARALLELOGRAMS AND TRIANGLES

    SUBHASH PUBLICATION|Exercise EXERCISE 11.4|3 Videos

Similar Questions

Explore conceptually related problems

A tea party is arranged for 16 persons along two sides of a long table with 8 chairs on each side. Four persons wish to sit on one particular and two on the other side. In how many ways can they be seated?

Write the negation of the following statements and check whether the resulting statements are true, There does not exist a quadrilateral which has all its sides equal.

Determine the number of 5-card combinations out of a deck of 52 cards if each selection of 5 cards has exactly one king.

Silver crystallises with face-centred cubic unit cells. Each side of the unit cell has a length of 409 pm. Calculate the radius of silver atom. (Assume the atoms just touch each other on the diagonal across the face of the unit cell. That is each face atom is touching the four corner atoms.)

Think of this puzzle What do you need to find a chosen number from this square? Four of the clues below are true but do nothing to help in finding the number. Four of the clues are necessary for finding it. Here are eight clues to use: a. The number is greater than 9. b. The number is not a multiple of 10. c. The number is a multiple of 7. d. The number is odd. e. The number is not a multiple of 11. f. The number is less than 200. g. Its ones digit is larger than its tens digit. h. Its tens digit is odd. What is the number? Can you sort out the four clues that help and the four clues that do not help in finding it? First follow the clues and strike off the number which comes out from it. Like - from the first clue we come to know that the number is not from 1 to 9. (strike off numbers from 1 to 9). After completing the puzzle, see which clue is important and which is not?

Statement-1 (Assertion and Statement- 2 (Reason) Each of these questions also has four alternative choices, only one of which is the correct answer. You have to select the correct choice as given below. Statement - 1 If A is skew-symnmetric matrix of order 3, then its determinant should be zero. Statement - 2 If A is square matrix, det (A) = det (A') = det (-A')

A bag has cards numbered 2 to 90. a card is drawn at random from the bag. Find the probability that it bears (i) a two-digit number (ii) a number which is a perfect square.