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Option (2) uses “since” which is used to indicate a starting point from which an ongoing action has begun and not a duration as used in the sentence. Option (3) uses “ from” which is also used to indicate a starting point and not a duration as used in the sentence. Option (1) rightly uses “for” to indicate an entire time duration – 3 days.
The length of the side of a cube is 5.6 cm. What is the volume of the largest sphere that can be taken out of the cube?
A wire is bent to form a square whose sides are of 99 cm. If the same wire is bent to form a circle, then find the area (in cm2) of the circl...
A boy is supposed to distribute Rs.2400 among his three friends P, Q and R in the ratio of 4:3:5 respectively, but mistakenly he distributed in the rati...
The ratio of length to breadth of a rectangle is 5:4. If the sum of the length and breadth of the rectangle is 36 cm, then find the area (cm2...
The perimeter of a square field is 12 cm more than the perimeter of a rectangle. The length of the rectangle is 40 cm which is 200% of its width. If a s...
If the radius of a spherical ice cream scoop is 10 cm, then find the volume (in cm³) of the ice cream scoop. (Use π = 3.14)
The ratio of the number of English books to Hindi books in a library shelf is 5:3. If 108 Hindi books are written by Pradeep, which constitutes 36% of t...
Find the surface area of the smallest cube that can perfectly fit a sphere of volume 26244π cm3 inside it.
Perimeter of a square and circumference of a circle are in the ratio 6:11, respectively. If area of the square is 36 cm2, then find the radiu...