A box contains 6 Brown and 8 Blue caps. There is another box which contains 8 Brown and 7 Blue caps. One cap is to drawn from either of the two boxes. What is the probability of drawing a Blue caps?
Probability of one box = 1/2 First box blue cap probability = 1/2 × 8/14 Second box blue cap probability = 1/2 × 7/15 Adding both = 1/2 × 8/14 + 1/2 × 7/15 = 109/210
[(15)³ × (8)²] ÷ (90 × 6) = ?²
2856 ÷ 34 = ?% of 240
9 × 40× 242 × 182= ?2
(6 × √361) × 2.5 = ? + 125
255 × 8 + 386 × 5 =? % of 7940
1111.25 × 9.05 + 2323.23 × 9.05 – 2121.37 ×9.05 =?
40% of 1820 + 80% of 630 = 90% of 1280 + ?
If x + y + 3 = 0, then find the value of x3 + y3 – 9xy + 9.
25% of 140 + 2 × 8 = ? + 9 × 5
