Question
A bag has 7 pink, 4 black and 3 yellow balls while
another bag has 5 pink, 6 yellow and 3 blue balls. A bag is selected at random and a ball drawn out of it, then find the probability that the ball drawn is pink.Solution
The probability of choosing bag = 1/2 So, the required probability = 1/2 (Pink ball from bag 1 + Pink ball from bag 2) => 1/2 [(7/14) + (5/14)] => 12/28 = 3/7
What approximate value will come in place of the question mark (?) in the following question? (Note: You are not expected to calculate the exact value.)...
239.977 ÷ 5.998 + √840.913 × 6.113 = ? + 117.948
{(22.22 2 + 6.06 3 ) ÷ 15.15} × 3.03 = ? – 55.05 × 4.04
2√574 + 19.956% of 1449.978 = ?% of 628.08
What approximate value will come in place of the question mark (?) in the following question? (Note: You are not expected to calculate the exact value.)...
What approximate value will come in place of the question mark (?) in the following question? (Note: You are not expected to calculate the exact value.)...
499.99 + 1999 ÷ 39.99 × 50.01 = ?
- What approximate value will come in place of the question mark (?) in the following question? (Note: You are not expected to calculate the exact value.)
630.11 ÷ 20.98 × 5.14 – 125.9 = √?Â
111.89 × 4.12 – 504.04 ÷ 2.12 = 170.12 + ?
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