second grade

Mr. Mike and Mr. Josh reach the finish line in 14.2 seconds and 14.4 seconds in a swimming competition. Are the two decimals equivalent? => No or Yes..

The table shows the percentage of scores obtained by John each year during his four year degree course. Which of the following is the equivalent box-and-whisker plot of the data? Also find out the median of scores obtained. Year Percentage of scores 1st Year 70 2nd Year 82 3rd Y..

The percentage of points scored by Jack each year during his four year degree course is shown in the table. Which is the equivalent box-and-whisker plot for the data? Also find the average percentage of points scored by him during the course. Year Percentage of points 1st Year 70 2nd..

The table shows the percentage of scores obtained by Sunny each year during his four year degree course. Which of the following box-and-whisker plots match the data? Year Percentage of scores 1st Year 70 2nd Year 82 3rd Year 76 4th Year 80 => Plot 1 or Plot 2 or Plot 3..

Perform the given operation: 91 feet 2 seconds × 174 seconds 3 hours × 9 miles 819 feet => 290 miles/hour or 580 miles/hour or 58 miles/hour or 29 miles/hour..

The ball covers 10 m in every 2 seconds. The speed with which the ball is moving at any point between A and E is 5 m/s. The object is moving with uniform spee..

The figure shows the distance covered by a ball after every 2 seconds..

During selection trials for the Olympic games, the qualifying time set for 100 metres sprint is 11 seconds. Lily′s current speed for 100 metres sprint is 13 seconds. How much time should Lily save in order to qualify? => 4 seconds or 3 seconds or 1 ..

Example for frame of reference Look at the figures. In fig.1, the car is to the right of the tree. In fig.2, after 2 seconds, the car is to the left of the tree. As the tree does not move, the car must have moved from one place to another. Therefore, here the tree..

Question: A boy fires a gun and hears the echo 2 seconds later. If he is 480 m away from a wall, calculate the velocity of sound in air. Answer: v = = = 480 m s - 1..