Basic Math

Q876: a, b and c are real numbers then either a < b, a > b or a = b. This property of real numbers is called?

Explanation

The Trichotomy property states that for any two real numbers $a$ and $b$ , exactly one of the following holds: $a < b$ , $a > b$ , or $a = b$ .

This property ensures a well-defined order among real numbers.

Q877: If every element of a group G is its own inverse then G is called?

Explanation

If every element of a group $G$ is its own inverse, then $g^2 = e$ for all $g in G$ , meaning all elements are of order 2.

Such a group is Abelian because the group operation commutes: $(gh)^2 = e$ implies $g$ and $h$ must commute.

Q878: if 4 people can do a work in 40 minutes then 8 people can do the same work in ________ minutes:

Q879: 3√27 = ?

Q880: The angle of elevation of the top of a tower from a point 20m away from its base is 60 ∘ . The height of the tower is-

Explanation

We can solve this problem using trigonometry.

Let's denote:

$ℎ$ as the height of the tower,
$𝑑$ as the horizontal distance from the point to the base of the tower,
$𝜃$ as the angle of elevation (which is 60 degrees in this case).

In a right triangle formed by the tower, the horizontal distance, and the line of sight to the top of the tower, we have:

$\tan (𝜃) = \frac{ℎ}{𝑑}$

Q871: 4+4.44+44.4+4.04+444 = ______?

Explanation

Q872: Which of the following is not a perfect square?

Explanation

Q873: 35% OF 30=25%?+1

Explanation

Q874: 1 + 1 + 2 + 3 ÷ 3 × 0 = ____?

Explanation

Q875: How many numbers up to 200 are divisible by 2 and 3 both?

Explanation

Q876: a, b and c are real numbers then either a < b, a > b or a = b. This property of real numbers is called?

Explanation

Q877: If every element of a group G is its own inverse then G is called?

Explanation

Q878: if 4 people can do a work in 40 minutes then 8 people can do the same work in ________ minutes:

Explanation

Q879: 3√27 = ?

Explanation

Q880: The angle of elevation of the top of a tower from a point 20m away from its base is 60 ∘ . The height of the tower is-

Explanation

Basic Math

Q871: 4+4.44+44.4+4.04+444 = ______?

Explanation

Q872: Which of the following is not a perfect square?

Explanation

Q873: 35% OF 30=25%?+1

Explanation

Q874: 1 + 1 + 2 + 3 ÷ 3 × 0 = ____?

Explanation

Q875: How many numbers up to 200 are divisible by 2 and 3 both?

Explanation

Q876: a, b and c are real numbers then either a < b, a > b or a = b. This property of real numbers is called?

Explanation

Q877: If every element of a group G is its own inverse then G is called?

Explanation

Q878: if 4 people can do a work in 40 minutes then 8 people can do the same work in ________ minutes:

Explanation

Q879: 3√27 = ?

Explanation

Q880: The angle of elevation of the top of a tower from a point 20m away from its base is 60 ∘ . The height of the tower is-

Explanation

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