Question
Which device is used to read information encoded in
barcodes?Solution
The correct answer is C
A sum of ₹ 31 was divided among 50 students. If each boy got 70 paisa and each girl got 45 paisa. Find the number of boys.
2Kg of sugar at Rs 20 per Kg is mixed with 3 Kg of 2nd type of sugar to get a mixture costing Rs 35 per Kg. Find the price of the costlier sugar ?
In what ratio rice at 58 Rs/kg should be mixed with the rice at 32 Rs/kg so that selling mixture at Rs 54 per kg gives the profit of 35% if the quantity...
In what ratio coffee at 275 Rs/kg should be mixed with the coffee at 325 Rs/kg so that after mixture its rate become 290 Rs/kg if the quantity of 1st ty...
The ratio of liquor and soda in a mixture of 50 liters is 3:2. How much soda should be mixed to make the ratio 6:7?
In a jar initially containing 'm' liters of pure milk costing Rs. 20 per liter, 50% of the milk is taken out, and honey is added to the remaining milk. ...
Find the third proportion of 14 and 28.
How much soda should be mixed with 20 kg of sugar cost Rs.30/kg so that a gain of 20% can be made after selling the mixture at Rs.24/kg?
9 litre of milk is taken out from a container and replaced by water. This process is repeated once more, the ratio of quantity in container (M: W) is 16...
One type of liquid contains 15% of benzene, the other contains 20% of benzene. A can is filled with 6 parts of the first liquid and 4 parts of the secon...