class 6 True or False

 Class 6  Maths 

True or False & Fillups

 I.TRUE OR FALSE

            1. 100 lakhs make a million.  ---  false

            2. The estimated value of 46530 to the nearest hundred is 46500. --- true

            3. The successor of the greatest 5 digit number is 100000. --- true

            4. In Roman numerals V, L and D are never repeated. --- true

            5. The difference in the face and the place value of 5 in 85419 is 85414. --- false

            6. The natural number 1 has no predecessor. --- true

            7. If a and b are whole numbers and a < b, then a+1 < b+1. --- true

            8. Every whole number has its predecessor. --- false 

            9. In rectangle diagonal bisect at 90 degree. --- false 

          10. An equilateral triangle is acute angled triangle. --- true

          11.  A number and its successor are always co-primes. --- true

          12. Two consecutive numbers cannot be both primes. --- false

          13. If a number is divisible by 3, it must be divisible by 9. --- false

          14. The sum of the two consecutive odd numbers is always divisible by 4. --- true

          15. A number is divisible by 18, if it is divisible by both 3 and 6. ---false

          16. Point has a size because we can see it as a thick dot on paper. --- false

          17. Two lines in a plane always intersect at a point. --- false

          18. All radii of a circle are equal. --- true

          19. Diameter is a chord of a circle. --- true

          20. The distance between parallel lines is same throughout. --- true

          21. Four points are collinear if any three of them lie on the same line. --- false

          22. The line segments forming letter T form perpendicular lines. --- true

          23. An obtuse angled triangle can be isosceles. --- true

          24. The point at which two adjacent sides of a polygon meet is called its vertex. --- true

          25. Every negative integer is less than every natural number. --- true

          26. The additive inverse of zero is zero. --- true

          27. Greatest negative integer is zero. --- false

          28. -5 < -4 => | -5 | < | -4 |. --- false

          29. The sum of three different integers can never be negative. --- false

          30. Zero is not an integer. --- false

          31. The successor of - 25 is - 24. --- true

          32. The multiplicative inverse of 7 is -7 --- false

I. FILL IN THE BLANKS

       1. 564 when estimated to the nearest hundred is 600.

       2. The smallest digit number with four different digits is 1023.

       3. Face value of 2 in 54321 is 2.

       4. Place value of 2 in 12345 is 2000.

       5. Example of palindromic number is 323.

       6. Dividend = division x Quotient + remainder.

       7. Whole numbers are represented by W and natural numbers are

            Represented by N.

       8. Zero is the additive identity of the whole numbers.

       9. Product of even number is always even.

     10. Natural number 1 has no predecessor.

     11. The smallest composite number is 4.  

     12. The smallest prime number is 2.

     13. The HCF of two consecutive odds numbers is 1.

     14. 1 is neither prime nor composite.

     15. A number having only two factors is called a prime number.

     16. Centroid is the point, where three medians of a triangle meet.

     17. All radii/diameters of a circle are equal.

     18. A figure which begins and ends at the same point is called a closed curve.

     19. A median of a triangle is the line segment that joins a vertex to

           the mid-point of opposite sides.

     20. A line has no end points.

     21. Measure of an acute angle is less than 90.

     22. Measure of an obtuse angle is greater than 90 but less than 180.

     23. Complement of an angle of 45 is 45.

     24. Angles are measured in degrees.

     25. A square is a rectangle with a pair of adjacent sides equal.

     26. Triangle is classified in terms of sides as well as angles.

     27. A complete angle = 360.

     28. Sum of all angles of a pentagon is 540.

     29. The sum of an integer and its opposite is zero.

     30. Farther a number from zero on the left smaller is its value.

     31. Farther a number from zero on the right larger is its value.

     32. Zero is an integer which is neither positive nor negative.

     33. If x and y are two integers, then (x - y) is also an integer.

     34. a + 0 = a = 0 + a, here 0 is called additive identity.

     35. 2/3 + _______ = 19

     36. 7- 2/3 =________.

     37. 42/54 = ________.

     38. 6 1/6- ________ = 29/30

     39. 72/90 reduced to simplest form is _________.

     40. The additive inverse of 3 is ________.