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Solved Examples
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 DDD Estimate the value of 873 to the nearest whole number. DDD View Solution
 DDD Is 5110a rational number or an irrational number? DDD View Solution
 DDD Which two integers satisfy the equation - y2 = - 729? DDD View Solution
 DDD Simplify the expression. 16×9 DDD View Solution
 DDD The perimeter of the square is 16√2 inches. What is its diagonal-length? DDD View Solution
 DDD A boy dropped a ball from the top of a building of height 62.5 meters. The equation t = h2.5 gives the time t taken by the ball to hit the ground, where h is the height from which it has been dropped. How long will it take for the ball to hit the ground? DDD View Solution
 DDD All the children in a school were made to stand in a square formation. Out of 687 children, 11 were left after forming the square. How many children are there in each row? DDD View Solution
 DDD Evaluate √(b2 - 4ac) when a = 1, b = - 1 and c = - 2. DDD View Solution
 DDD A boy dropped a marble from the top of a building of height 107.5 meters. The equation t = √(h4.3 gives the time t taken by the marble to hit the ground, where h is the height from which it has been dropped. How long will it take for the marble to hit the ground? DDD View Solution
 DDD Simplify the expression -√25 × -√9. DDD View Solution
 DDD Is √(179) a rational or an irrational number? DDD View Solution
 DDD Which two numbers satisfy the equation y2 = 1916? DDD View Solution
 DDD Simplify the expression -√(54) × √(64125). DDD View Solution
 DDD Simplify the expression -√30 × -√6 × √5. DDD View Solution
 DDD Simplify the expression √(1916) × √(1681). DDD View Solution
 DDD Simplify the expression √80√5. DDD View Solution
 DDD Simplify the expression √(113)/√(34). DDD View Solution
 DDD Simplify the expression √(6512)/√(4849). DDD View Solution
 DDD Estimate the nearest integer for the number √(514). DDD View Solution
 DDD Is the difference between the two irrational numbers, 28.34268152 and 1.35253534, a rational number or an irrational number? DDD View Solution
 DDD Is 1016a rational number or an irrational number? DDD View Solution
 DDD Estimate the value of 382 to the nearest whole number. DDD View Solution
 DDD All the children in a school were made to stand in a square formation. Out of 2448 children, 47 were left after forming the square. How many children are there in each row? DDD View Solution
 DDD The perimeter of the square is 20√2 inches. What is its diagonal-length? DDD View Solution
 DDD A player kicks the ball to make a goal in a soccerball game. The path traced by the ball is modeled by the equation d = - 0.8h2 + 96, where h represents the height of the soccerball from the ground (in feet) and d represents horizontal distance (in feet). Calculate the value of h, when d = 16 feet. DDD View Solution
 e   Is √(1916) a rational or an irrational number?   e View Solution
 e   A boy dropped a ball from the top of a building of height 55 meters. The equation t = h2.2 gives the time t taken by the ball to hit the ground, where h is the height from which it has been dropped. How long will it take for the ball to hit the ground?   e View Solution
 e   Which two integers satisfy the equation - y2 = - 1296?   e View Solution
 e   Simplify the expression. 16×4   e View Solution
 e   Which two numbers satisfy the equation y2 = 214?   e View Solution
 e   Is the sum of the two irrational numbers, 11.23156272 and 6.54621505, a rational number or an irrational number?   e View Solution
 e   Is the difference between the two rational numbers, 12.45324532 and 2.87878787, a rational number or an irrational number?   e View Solution
 e   Simplify the expression -√25 × -√4.   e View Solution
 e   Simplify the expression -√(65) × √(125216).   e View Solution
 e   Simplify the expression √(179) × √(949).   e View Solution
 e   Evaluate √(b2 - 4ac) when a = 3, b = - 3 and c = - 6.   e View Solution
 e   Simplify the expression -√12 × -√4 × √3.   e View Solution
 e   Simplify the expression √12√3.   e View Solution
 e   A boy dropped a ball from the top of a building of height 157.5 meters. The equation t = √(h6.3 gives the time t taken by the ball to hit the ground, where h is the height from which it has been dropped. How long will it take for the ball to hit the ground?   e View Solution
 e   Simplify the expression √(112)/√(23).   e View Solution
 e   Simplify the expression √(5343)/√(3536).   e View Solution
 e   Estimate the value of 36149 to the nearest tenth.   e View Solution
 e   What is the area of the figure?   e View Solution
 e   Find the side of a square, if its area is 12 square units.   e View Solution
 e   Is the sum of two rational numbers, 1.345345 and 49.432432, a rational number or an irrational number?   e View Solution
 e   Approximate 21 to the nearest tenth.   e View Solution
 e   Approximate 218 to the nearest tenth.   e View Solution
 e   Choose the point that represents 2 on the number line.   e View Solution
 e   Identify the number line that shows the approximate location of 40.   e View Solution
 e   Choose the point that represents 5 on the number line.   e View Solution
 e   Identify the square root that the point represents on the number line.   e View Solution
 e   Choose the point that represents 6 on the number line.   e View Solution
 e   Find the estimate of 850.   e View Solution
 e   The length of the diagonal of a rectangle is 765. Approximate this length.   e View Solution
 e   Pick the two whole numbers between which the square root of 174 lies.   e View Solution
 e   Find the value of n, if n = 13.   e View Solution
 e   If 7n = 49, then find the value of n.   e View Solution
 e   Between which two whole numbers does the square root of 302 lie?   e View Solution
 e   Between which two whole numbers does the square root of 178 lie?   e View Solution
 e   Find the cube root of 125.   e View Solution
 e   If 8n = 64, then find the value of n.   e View Solution
 e   Find the value of 15 to the nearest tenth.   e View Solution
 e   Find the value of 22 to the nearest tenth.   e View Solution
 e   The area of a square is 17. Find the approximate value of this.   e View Solution
 e   If 2n - 1 = 32, then find the value of n.   e View Solution
 e   Between which two whole numbers does the square root of 302 lie?   e View Solution