Related Questions

After taking 30 socks out of the washing machine, Shamim noticed that the ratio of blue socks to brown socks to black socks was 2:3:5. How many black socks were in the washing machine?
During washing of filter at the end of constant pressure filtration, the rate of washing equals the rate of filtration
In washing type plate and frame filter press, the ratio of washing rate to the final filtrate rate is
The ratio for the rate of washing to the final rate of filtration in a washing type of plate and frame filter is
Quick lime (or caustic lime)
একটি থলেতে 4 টি সাদা এবং 2 টি কালো বল আছে। অপর একটি থলেতে 3 টি সাদা ও 5 টি কালো বল আছে। যদি প্রত্যেক থলে হতে একটি করে বল উত্তোলন করা হয়, তবে বলদ্বয় সাদা হওয়ার সম্ভাবনা কত? (A bag contains 4 white and 2 black balls. Another bag contains 3 white and 5 black balls. If one ball is drawn from each bag, what is the probability that both balls are white?)
A red house is built from red bricks . A blue house is built from blue bricks. A white house is built from white bricks. Then what is a greenhouse made from ?
A jar contains white, red and green marbles in the ratios 2 : 3 : 5 six more green marbles are added to the jars and then the ratio becomes 2 : 3: 7 Hoe may white marbles are there in the jar?
A bag contains 6 black and 8 white . One ball is drawn at random. What is the probability that the ball drawn is white ?
There are 3 green , 4 orange and 5 white color bulbs in a bag. If a bulb is picked at random, what is probability of having either a green or a white bulb?