287561
The product of the successor 999 and predecessor of 1001 is:
1 One lakh.
2 One billion.
3 One million.
4 One crore.
Explanation:
One million. Solution: Successor of 999 = 999 + 1 = 1000 Predecessor of 1001 = 1001 - 1 = 1000 Now, Product = (Successor of 999) × (Predecessor of 1001) = 1000 × 1000 = 1000000 = One million Hence, the correct option is (c).
01. WHOLE NUMBERS
287562
If a is a whole number such that a + a = a, then a = ?
1 1
2 2
3 3
4 None of these.
Explanation:
None of these. Solution: Given: a is a whole number such that a + a = a If a = 1, then \(1+1=2\ne1\) If a = 2, then \(2+2=4\ne1\) If a = 3, then \(3+3=6\ne1\)
01. WHOLE NUMBERS
287563
If a,b and c are whole numbers, then a + (b + c) = (a + b) + c. This property is called:
1 Associative property
2 Commutative property
3 Distribution property
4 None of the above
Explanation:
Associative property Solution: a + (b + c) = (a + b) + c is associative property of whole numbers.
01. WHOLE NUMBERS
287564
Number of whole numbers between 38 and 68 is:
1 31
2 30
3 29
4 28
Explanation:
29 Solution: Option C is right Whole number starts from 0 and increase by 1 each They are 0, 1, 2, 3.... Whole numbers between 39 and 68 are 39, 40, 41... 66, 67 Hence 29 whole numbers between 38 and 68
01. WHOLE NUMBERS
287565
Multiplicative identity is:
1 1
2 0
3 both
4 none
Explanation:
1 Solution: Definition of multiplicative identity. : an identity element (such as 1 in the group of rational numbers without 0) that in a given mathematical system leaves unchanged any element by which it is multiplied. If we multiply 1 with any number we will get the same number.
287561
The product of the successor 999 and predecessor of 1001 is:
1 One lakh.
2 One billion.
3 One million.
4 One crore.
Explanation:
One million. Solution: Successor of 999 = 999 + 1 = 1000 Predecessor of 1001 = 1001 - 1 = 1000 Now, Product = (Successor of 999) × (Predecessor of 1001) = 1000 × 1000 = 1000000 = One million Hence, the correct option is (c).
01. WHOLE NUMBERS
287562
If a is a whole number such that a + a = a, then a = ?
1 1
2 2
3 3
4 None of these.
Explanation:
None of these. Solution: Given: a is a whole number such that a + a = a If a = 1, then \(1+1=2\ne1\) If a = 2, then \(2+2=4\ne1\) If a = 3, then \(3+3=6\ne1\)
01. WHOLE NUMBERS
287563
If a,b and c are whole numbers, then a + (b + c) = (a + b) + c. This property is called:
1 Associative property
2 Commutative property
3 Distribution property
4 None of the above
Explanation:
Associative property Solution: a + (b + c) = (a + b) + c is associative property of whole numbers.
01. WHOLE NUMBERS
287564
Number of whole numbers between 38 and 68 is:
1 31
2 30
3 29
4 28
Explanation:
29 Solution: Option C is right Whole number starts from 0 and increase by 1 each They are 0, 1, 2, 3.... Whole numbers between 39 and 68 are 39, 40, 41... 66, 67 Hence 29 whole numbers between 38 and 68
01. WHOLE NUMBERS
287565
Multiplicative identity is:
1 1
2 0
3 both
4 none
Explanation:
1 Solution: Definition of multiplicative identity. : an identity element (such as 1 in the group of rational numbers without 0) that in a given mathematical system leaves unchanged any element by which it is multiplied. If we multiply 1 with any number we will get the same number.
287561
The product of the successor 999 and predecessor of 1001 is:
1 One lakh.
2 One billion.
3 One million.
4 One crore.
Explanation:
One million. Solution: Successor of 999 = 999 + 1 = 1000 Predecessor of 1001 = 1001 - 1 = 1000 Now, Product = (Successor of 999) × (Predecessor of 1001) = 1000 × 1000 = 1000000 = One million Hence, the correct option is (c).
01. WHOLE NUMBERS
287562
If a is a whole number such that a + a = a, then a = ?
1 1
2 2
3 3
4 None of these.
Explanation:
None of these. Solution: Given: a is a whole number such that a + a = a If a = 1, then \(1+1=2\ne1\) If a = 2, then \(2+2=4\ne1\) If a = 3, then \(3+3=6\ne1\)
01. WHOLE NUMBERS
287563
If a,b and c are whole numbers, then a + (b + c) = (a + b) + c. This property is called:
1 Associative property
2 Commutative property
3 Distribution property
4 None of the above
Explanation:
Associative property Solution: a + (b + c) = (a + b) + c is associative property of whole numbers.
01. WHOLE NUMBERS
287564
Number of whole numbers between 38 and 68 is:
1 31
2 30
3 29
4 28
Explanation:
29 Solution: Option C is right Whole number starts from 0 and increase by 1 each They are 0, 1, 2, 3.... Whole numbers between 39 and 68 are 39, 40, 41... 66, 67 Hence 29 whole numbers between 38 and 68
01. WHOLE NUMBERS
287565
Multiplicative identity is:
1 1
2 0
3 both
4 none
Explanation:
1 Solution: Definition of multiplicative identity. : an identity element (such as 1 in the group of rational numbers without 0) that in a given mathematical system leaves unchanged any element by which it is multiplied. If we multiply 1 with any number we will get the same number.
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01. WHOLE NUMBERS
287561
The product of the successor 999 and predecessor of 1001 is:
1 One lakh.
2 One billion.
3 One million.
4 One crore.
Explanation:
One million. Solution: Successor of 999 = 999 + 1 = 1000 Predecessor of 1001 = 1001 - 1 = 1000 Now, Product = (Successor of 999) × (Predecessor of 1001) = 1000 × 1000 = 1000000 = One million Hence, the correct option is (c).
01. WHOLE NUMBERS
287562
If a is a whole number such that a + a = a, then a = ?
1 1
2 2
3 3
4 None of these.
Explanation:
None of these. Solution: Given: a is a whole number such that a + a = a If a = 1, then \(1+1=2\ne1\) If a = 2, then \(2+2=4\ne1\) If a = 3, then \(3+3=6\ne1\)
01. WHOLE NUMBERS
287563
If a,b and c are whole numbers, then a + (b + c) = (a + b) + c. This property is called:
1 Associative property
2 Commutative property
3 Distribution property
4 None of the above
Explanation:
Associative property Solution: a + (b + c) = (a + b) + c is associative property of whole numbers.
01. WHOLE NUMBERS
287564
Number of whole numbers between 38 and 68 is:
1 31
2 30
3 29
4 28
Explanation:
29 Solution: Option C is right Whole number starts from 0 and increase by 1 each They are 0, 1, 2, 3.... Whole numbers between 39 and 68 are 39, 40, 41... 66, 67 Hence 29 whole numbers between 38 and 68
01. WHOLE NUMBERS
287565
Multiplicative identity is:
1 1
2 0
3 both
4 none
Explanation:
1 Solution: Definition of multiplicative identity. : an identity element (such as 1 in the group of rational numbers without 0) that in a given mathematical system leaves unchanged any element by which it is multiplied. If we multiply 1 with any number we will get the same number.
287561
The product of the successor 999 and predecessor of 1001 is:
1 One lakh.
2 One billion.
3 One million.
4 One crore.
Explanation:
One million. Solution: Successor of 999 = 999 + 1 = 1000 Predecessor of 1001 = 1001 - 1 = 1000 Now, Product = (Successor of 999) × (Predecessor of 1001) = 1000 × 1000 = 1000000 = One million Hence, the correct option is (c).
01. WHOLE NUMBERS
287562
If a is a whole number such that a + a = a, then a = ?
1 1
2 2
3 3
4 None of these.
Explanation:
None of these. Solution: Given: a is a whole number such that a + a = a If a = 1, then \(1+1=2\ne1\) If a = 2, then \(2+2=4\ne1\) If a = 3, then \(3+3=6\ne1\)
01. WHOLE NUMBERS
287563
If a,b and c are whole numbers, then a + (b + c) = (a + b) + c. This property is called:
1 Associative property
2 Commutative property
3 Distribution property
4 None of the above
Explanation:
Associative property Solution: a + (b + c) = (a + b) + c is associative property of whole numbers.
01. WHOLE NUMBERS
287564
Number of whole numbers between 38 and 68 is:
1 31
2 30
3 29
4 28
Explanation:
29 Solution: Option C is right Whole number starts from 0 and increase by 1 each They are 0, 1, 2, 3.... Whole numbers between 39 and 68 are 39, 40, 41... 66, 67 Hence 29 whole numbers between 38 and 68
01. WHOLE NUMBERS
287565
Multiplicative identity is:
1 1
2 0
3 both
4 none
Explanation:
1 Solution: Definition of multiplicative identity. : an identity element (such as 1 in the group of rational numbers without 0) that in a given mathematical system leaves unchanged any element by which it is multiplied. If we multiply 1 with any number we will get the same number.