Question
Which of the following interchanges of signs would make
the given equation correct? 57 − 19 × 18 + 9 ÷ 45 = 18Solution
The correct answer is A
The radius of a cylindrical tank is 7 meters, and its height is 14 meters. How much water will it take to fill the tank to half its capacity?
The area of four walls of a room is 168 cm2. If the length and breadth of the room were equal and the height of the room is 7 cm, then what i...
A solid cube, whose edge is of length 60 cm, is melted. Identical solid cubes, each of volume 216 cm3, are made of this molten cube, without ...
- The volumes of two hemispheres are in the ratio 1000:3375. Determine the ratio of their total surface areas. (Take π = 22/7)
The perimeter of a square field is 14 cm more than the perimeter of a rectangle. The length of the rectangle is 49 cm which is 350% of its width. If a s...
A right square pyramid has a square base of side 10 cm and vertical height 12 cm. Find:
(i) its volume,
(ii) its slant height,
(iii...
1.5 cm of rain has fallen on a square km of length 80% of the water was stored in a tank of dimensions 160 m × 15m. Find the increase in the water leve...
Perimeter of a square is equal to perimeter of a rectangle, if area of square is 729 sq.cm and length of rectangle is three times that of breath. Find t...
The perimeter of a square is the same as that of a rectangle with length 18 cm and width 10 cm. What will be the circumference of a semicircle whose rad...
The area of the rectangular field is 800 m² and its perimeter is 104 m. Find how much percent less the breadth of the field is compared to the length o...
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