math websites for times tables

A bag contains yellow, pink and white colored chalks. John picked a chalk at random for 40 times and recorded the color of the chalk picked up. Find the experimental probability of picking up a white chalk. Color Number of times the chalk was picked yellow 19 pink 17 white 4 => ..

A bag contains white, pink and yellow colored balls. John picked a ball at random for 50 times and recorded the color of the ball picked up. Find the experimental probability of picking up a yellow ball. Color Number of times the ball was picked white 19 pink 26 yellow 5 => 5.2%..

The number of candles placed on two tables A and B at 25 instants of time is shown. Give the z score value and verify if the mean number of candles placed on both the tables differ at 98% confidence level. => 0.2092, do not differ or - 0.551, do not differ or 0.9, do n..

Choose a figure that completes the product. 2 7 × 4 5 => Figure 1 or Figure 2 or Figure 3 or Figure 4..

Complete the product. 6 9 × 3 2 => 2198 or 2108 or 2208 or 2188..

5 4 6 × 8 5 => 46,410 or 44,610 or 4,614 or 4,641..

6 6 6 × 9 9 => 66,924 or 65,934 or 65,923 or 66,923..

Multiply: 8 7 4 × 6 => 5,244 or 890 or 880 or 5,344..

Multiply: 3, 4 2 3 × 3 4 _______ => 316,382 or 26,382 or 116,382 or 163,820..

Multiply: 7, 3 4 3 × 3 4 _______ => 249,662 or 449,662 or 196,620 or 29,662..