Question
Quantity-I: The area of a triangle is 72 cm². The base
of the triangle is 12 cm. Find the height of the triangle. Quantity-II: The area of a rectangle is 96 cm². The length of the rectangle is 16 cm. Find the width of the rectangle. Quantity-III: The area of a square is 100 cm². Find the side of the square. Which of the following pair of symbols will define the relation between Quantity I and Quantity II and between Quantity II and Quantity III respectively? A. = B. > C.Solution
Solution: Quantity I: Area of triangle = (1/2) × base × height 72 = (1/2) × 12 × height 72 = 6 × height height = 72 / 6 = 12 cm Quantity II: Area of rectangle = length × width 96 = 16 × width width = 96 / 16 = 6 cm Quantity III: Area of square = side² 100 = side² side = √100 = 10 cm Comparing Quantity-I, Quantity-II, and Quantity-III: Quantity-I = 12 cm Quantity-II = 6 cm Quantity-III = 10 cm Now, comparing: Quantity-I > Quantity-III < Quantity-II Therefore, the correct pair of symbols is: B & C Correct option: d
- Simplify:
What is the value of √75 + √108?
82.3 × 644.7 × 723.4 × 815.85 = 72?
? = 65% of 40% of (20 × 250) − 200
- 60% of 180 – 30% of 60 = 15% of ?
11 × 25 + 12 × 15 + 14 × 20 + 15 = ?
What will come in the place of question mark (?) in the given expression?
(√676 of √144 ÷ 13) of 2400% = ?Â
36% of 250 + 26 ÷ 2 × ? = 207
