Which of the following statement is/are true?
I. Acids are sour in taste
II. Bases are bitter in taste
Acids are sour, like citric acid found in lemon while bases are bitter, like soap. Acids turn blue litmus red and don't affect red litmus. Bases turn red litmus blue and don't affect blue litmus.
The sum of the radius and height of a cylinder is 42m. The total surface area of the cylinder is 5544 m². What is the volume of the cylinder?
A chord of the larger among two concentric circles is of length 10 cm and it is tangent to the smaller circle. What is the area (in cm²) of the annula...
The length of a width is 21 cm and the side of a square is 25 cm less than the length and width of the rectangle. If perimeter of the rectangle is 30 cm...
A solid right circular cylinder is melted and shaped into a right cone with a base of equal radius. By what percent is the length of the solid increased?
The volume of a solid cube is 1331 m3. If whole cube is to be painted at a rate of Rs. 4.5 per m2, then what will be the cost of p...
A borewell of 28m base radius is digged upto a depth of 21m and 14m wide platform was made around the well. Find the height of platform?
A square is converted into a rectangle by increasing its length by 30 % and decreasing its width by 10%. Which of the following statements is true?
The sum of the total surface areas of two cubes is 1926 cm2. If the product of the length of their edges is 136 cm2, then find the...
A candidate just passed by getting 150 answers correct by attempting 225 of the total questions. Find the total number of questions in the examination i...
Which of the following numbers is a divisor of (4915 – 1)?