Area of a rectangle is equal to the total surface area of a hemisphere having volume 1458 cm³ . Find the perimeter of the rectangle if its length is 125% more than its breath. (Take π = 3)
Let, the radius of the hemisphere be ‘r’ cm. So according to question: 2/3 × 3 × r3 = 1458 r3 = 729 r = 9 So, the total surface area of the hemisphere = 3 × π × 9² = 3 × 3 × 9² = 729 cm² Let the breadth of the rectangle be ‘x’ cm So the length of the rectangle = 2.25x cm According to question: x × 2.25x = 729 x² = 324 x = 18 So the breadth of the rectangle = 18 cm Length of the rectangle = 18 × 2.25 = 40.5 cm So the perimeter of the rectangle = 2 × (40.5 + 18) = 117 cm
1) As we approach
2) the gate, I here the
3) guard stamp his feet
4) and hear the cocking of a weapon.
5) No error
...X. The Exorcist still stands today as the scary film ever made.
1. Children are the more vulnerable (A)/to this menace, but its health (B)/will n...
He is (A)/one of the students (B)/who go to (C)/the school every day (D).
Select the segment which has a grammatical error in the given sentence. If there is no error ,select ‘no error.
I drink rather late last time
Identify the segment in the sentence that contains a grammatical error.
She said that it was 4 o’clock on her watch when she entered.
Parts of the following sentence are given as options. Identify the segment that contains a grammatical error.
No sooner had Kavya started her ...
According to the captain, his small fishing boat can hauling a huge amount of cargo.
The Accords, which normalized relations between (1)/ Israel and several Arab nations, (2)/ was hailed by many as a diplomatic (3)/ breakthrough that re...
Towering almost 400 feet (121 meters), the empty Starship blasted on at sunrise from the southern tip of Texas near the Mexican border.
Read the following sentence carefully and identify if there is any grammatical error in it. If you find any error, choose the part (A, B, C, or D) cont...
