Practice Question and Answer
8 Q: If the numerical value of thes perimeter of an equilateral triangle is $$ \sqrt {3}$$ times the area of it, then the length of each side of the triangle is
716 064d23923eb9b4274b3544aae
64d23923eb9b4274b3544aae- 12 unitsfalse
- 23 unitsfalse
- 34 unitstrue
- 46 unitsfalse
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Answer : 3. "4 units "
Q:In the given question, two equations numbered l and II are given. Solve both the equations and mark the appropriate answer.
I. x2+ 2x – 15 = 0
II. y2+ 16y + 55 = 0
716 064e7570c2e7e7af712bc6e4b
64e7570c2e7e7af712bc6e4b- 1x > yfalse
- 2x < yfalse
- 3x ≥ ytrue
- 4x ≤ yfalse
- 5x = y or relationship between x and y cannot be established.false
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Answer : 3. "x ≥ y"
Q: Which element is present in both cement and bones?
716 063b6b7fa1bd77d1a284ad2b7
63b6b7fa1bd77d1a284ad2b7- 1calciumtrue
- 2phosphorusfalse
- 3nitrogenfalse
- 4siliconefalse
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Answer : 1. "calcium"
Explanation :
Calcium is the element that is present in both cement and bones. In cement, calcium is a key component of calcium silicate compounds, which contribute to the strength and durability of the material. In bones, calcium is a vital mineral that provides structural support and strength. It plays a crucial role in various physiological processes in the human body, including muscle function and nerve signaling.
Q:Direction: Some equations have been solved on the basis of certain system. Find the correct answer for the unsolved equation on that basis.
If 24 × 2 = 84, and 32 × 3 = 69, then 13 × 3 = ?
716 0640b2a7b1426f5b896a72349
640b2a7b1426f5b896a72349- 138false
- 293true
- 316false
- 410false
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Answer : 2. "93"
Q: Select the correctly spelt word.
716 064223ea532185cce370724cc
64223ea532185cce370724cc- 1Envisaigefalse
- 2Psychologisttrue
- 3Emergensefalse
- 4Trancitionfalse
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Answer : 2. "Psychologist"
Q: If the radius of the base of a right circular cylinder is increased by 20% and the height is decreased by 30%, then what is the percentage increase/decrease in the volume?
716 064ba4efd2d3130f57542e3b4
64ba4efd2d3130f57542e3b4- 1Decrease 0.8%false
- 2Increase 2%false
- 3Increase 0.8%true
- 4Decrease 2%false
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Answer : 3. "Increase 0.8%"
Q: What is the product of (x + a) and (x + b)?
716 064479518cd6ea382cf821012
64479518cd6ea382cf821012- 1x2+(a-b)x+abfalse
- 2false
x2+(a-b)x-ab
- 3true
x2+(a+b)x+ab
- 4false
x2+(a+b)x-ab
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Answer : 3. "x2+(a+b)x+ab
"
Q: Evaluate the following:
5 - [96 ÷ 4 of 3 - (16 - 55 ÷ 5)]
716 064cce6aa9e9013486a97b100
64cce6aa9e9013486a97b1005 - [96 ÷ 4 of 3 - (16 - 55 ÷ 5)]
- 10false
- 24false
- 33false
- 42true
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