If 7A1 + 532 = 12B3 and 12B3 is divisible by 11. What is the value of B ÷ A?
What will be the remainder when –36.40 is divided by 6?
A chemist has 20 liters of solution that is 35% hydro-chloric acid by volume. He wants to increases the concentration of acid to 40% by removing water from it . How many liters of water must be drawn off to make new solution of 40% concentration of acid.
Grains worth Rs 12 per kg and Rs 20 kg is mixed with 3rd variant of grain in ratio 4:6:3 such that the cost of mixed grain is Rs 13/kg.Find the cost of third variant of grain
3 solutions have water content 40%, 60% & 80%. When y, (y + 1) and (y + 2) ml are taken from there and mixed, the resultant is 70% water. What can be said about y?
A vessel contains 600 liters of alcohol. 15% of pure alcohol is replaced with same amount of water. Again 15% of the mixture is replaced with same amount of water. The process is repeated one more time. Find the percentage of alcohol in mixture
A vessel has 10 ml solution of milk and water containing 20% milk. X ml of milk was added to the vessel to reverse this ratio. Again Y ml of water was added to the vessel to reverse the ratio once again .Find X+Y
Find the greatest number which when divided to 169,289 and 369 gives the same remainder.
A gallon contains 20 liters of alcohol. From this gallon, 5 liters of alcohol was drawn and replaced by water. This process is repeated one more time.
How much alcohol is left in the gallon now?
What is the inverse of x, if x = .
Two metals are melted together in a furnace. One weighs 12 kg and contains 45% copper and the other weighs 17 kg and contains 84% copper. What percentage of copper is present in the resultant large metal?
When a number is divided by 56,the remainder obtained is 29.What will be the remainder when number is divided by 8?
2! + 4! + 6! + 8! + 10! +………….+100! When divided by 5, will give remainder.
PIE + PAIN = CHEAP.
Find P + I + E + C + E.
Shobhit went to the market to buy oranges. He brought 4 kg from the vendor at ₹50 per kg. Then, he found another vendor and brought 6 kg at ₹35 per kg. What is the average price per kg?
