Archives

In a right-angled triangle, the angles other than the right angle are (a) obtuse (b) right (c) acute (d) straight

The correct answer is (c) acute Justification In a right triangle, the three angles include one right angle and two acute angles since the sum of... View Article

In Figure PQ = PS. The value of x is (a) 35⁰ (b) 45⁰ (c) 55⁰ (d) 70⁰

The correct answer is (b) 45o Justification From the given figure, we observe that From triangle PQS, ∠PSQ + ∠QPS =... View Article

Triangle DEF of figure is a right triangle with ∠E = 90°. What type of angles are ∠D and ∠F? (a) They are equal angles (b) They form a pair of adjacent angles (c) They are complementary angles (d) They are supplementary angles

The correct answer is (c) They are complementary angles Justification When the sum of two angles is 90°, then the angles are known... View Article

The sides of a triangle have lengths (in cm) 10, 6.5 and a, where a is a whole number. The minimum value that a can take is (a) 6 (b) 5 (c) 3 (d) 4

The correct answer is (d) 4 Justification From the given details the two sides are given, 10 and 6.5. We know that from Triangle... View Article

(– 19) × (– 11) = 19 × 11 State whether the statement is True or False.

The given statement is True Justification As the product of numbers with the same signs are equal to the absolute value (– 19)... View Article

(– 5) × (33) = 5 × (– 33) State whether the statement is True or False.

The given statement is True Justification In the case of multiplication even if the orders of integers are altered, as the values are... View Article

Going 500 m towards east first and then 200 m back is same as going 200 m towards west first and then going 500 m back. State whether the statement is True or False.

The given statement is True Justification Considering the originating point to the zero of a number line In the first situation: 500... View Article

When we change the order of integers their difference remains the same. State whether the statement is True or False.

The given statement is False Justification In the case of subtraction, if the orders of integers are altered, the answer... View Article

When we change the order of integers, their sum remains the same. State whether the statement is True or False.

The given statement is True Justification In case of addition even if the orders of integers are altered, as the values are equal both are... View Article

(– 23) + 47 is same as 47 + (– 23). State whether the statement is True or False.

The given statement is True Justification In case of addition even if the orders of integers are altered, as the values are equal both are... View Article

Integers are closed under subtraction. State whether the statement is True or False.

The given statement is True Justification The difference between two integers is always an integer. Let us consider two negative integers... View Article

We can write a pair of integers whose sum is not an integer. State whether the statement is True or False.

The given statement is False Justification Let us consider two negative integers -7 and -6 On finding the difference we get -7 - (-6) =-7+6... View Article

Difference of two negative integers cannot be a positive integer. State whether the statement is True or False.

The given statement is False Justification Let us consider two negative integers -3 and -4 On finding the difference we get -3 - (-4)... View Article

Sum of two negative integers always gives a number smaller than both the integers. State whether the statement is True or False.

The given statement is True Justification The Sum of two negative integers always gives a number smaller than both the integers. Let us... View Article

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Archives

In a right-angled triangle, the angles other than the right angle are (a) obtuse (b) right (c) acute (d) straight

In Figure PQ = PS. The value of x is (a) 35⁰ (b) 45⁰ (c) 55⁰ (d) 70⁰

Triangle DEF of figure is a right triangle with ∠E = 90°. What type of angles are ∠D and ∠F? (a) They are equal angles (b) They form a pair of adjacent angles (c) They are complementary angles (d) They are supplementary angles

The sides of a triangle have lengths (in cm) 10, 6.5 and a, where a is a whole number. The minimum value that a can take is (a) 6 (b) 5 (c) 3 (d) 4

(– 19) × (– 11) = 19 × 11 State whether the statement is True or False.

(– 5) × (33) = 5 × (– 33) State whether the statement is True or False.

Going 500 m towards east first and then 200 m back is same as going 200 m towards west first and then going 500 m back. State whether the statement is True or False.

When we change the order of integers their difference remains the same. State whether the statement is True or False.

When we change the order of integers, their sum remains the same. State whether the statement is True or False.

(– 23) + 47 is same as 47 + (– 23). State whether the statement is True or False.

Integers are closed under subtraction. State whether the statement is True or False.

We can write a pair of integers whose sum is not an integer. State whether the statement is True or False.

Difference of two negative integers cannot be a positive integer. State whether the statement is True or False.

Sum of two negative integers always gives a number smaller than both the integers. State whether the statement is True or False.

(– 9) + (– 11) is greater than (– 9) – ( – 11). State whether the statement is True or False.

(- 28) ÷ (- 28) = _____. Fill in the blanks to make the statement true.

(- 69) ÷ (69) = _____. Fill in the blanks to make the statement true.

(- 95) ÷ _____ = 95. Fill in the blanks to make the statement true.

113 ÷ _____ = – 1. Fill in the blanks to make the statement true.

51 ÷ _____ = – 51. Fill in the blanks to make the statement true.

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