Rs. 1000 is lent out in two parts, one at 6 % simple interest and the other at 8 % simple interest. The yearly income is Rs. 75. The sum lent at 8 % is ? Rs. 250 Rs. 500 Rs. 600 Rs. 750 TRUE ANSWER : ? YOUR ANSWER : ?
The concentration of glucose in three different mixtures (glucose and alcohol) is 12,35 and 45 respectively. If 2 litres, 3 litres and 1 litre are taken from these three different vessels and mixed. What is the ratio of glucose and alcohol in the new mixture? 3:2 4:3 2:3 3:4 TRUE ANSWER : ? YOUR ANSWER : ?
In a container, there is 960 ltr of pure milk from which 48 ltr of milk is replaced with 48 ltr of water, again 48 ltr milk is replaced by same amount of water, as this process is done once more. Now, what is the amount of pure milk? 901.54 ltr 821.54 ltr 719.64 ltr 823.08 ltr TRUE ANSWER : ? YOUR ANSWER : ?
A jar was full with honey. A person used to draw out 20% of the honey from the jar and replaced it with sugar solution. He has repeated the same process 4 times and thus there was only 512 gm of honey left in the jar, the rest part of the jar was filled with the sugar solution. The initial amount of honey in the jar was filled with the sugar solution. The initial amount of honey in the jar was: 1.5 kg 1.25 kg 1 kg None of these TRUE ANSWER : ? YOUR ANSWER : ?
Kantilal mixes 80 kg of sugar worth of Rs. 6·75 per kg with 120 kg worth of Rs. 8 per kg. At what rate shall he sell the mixture to gain 20 %? Rs. 7·50 Rs. 8·85 Rs. 9 Rs. 8·20 TRUE ANSWER : ? YOUR ANSWER : ?
From a tank of petrol , which contains 200 liters of petrol, the seller replaces each time with kerosene when he sells 40 liters of petrol(or mixture). Everytime he sells out only 40 liters of petrol (pure or impure). After replacing the petrol with kerosene 4th time, the total amount of kerosene in the mixture is 118.08L 81.92L None of these 96L TRUE ANSWER : ? YOUR ANSWER : ?
A container contains 40 litres of milk. From this container 4 litres of milk was taken out and replaced by water. This process was repeated further two times. How much milk is now contained by the container? 26.34 litres 27.36 litres 28 litres 29.16 litres TRUE ANSWER : ? YOUR ANSWER : ?
An alloy is made by mixing metal A costing Rs 2000/kg and metal B costing Rs 400/kg in the ratio A:B = 3:1. What is the cost (in Rs) of 8 kilograms of this alloy? 12800 6400 1600 9800 TRUE ANSWER : ? YOUR ANSWER : ?
In what ratio must wheat at Rs. 3.20/kg be mixed with wheat at Rs. 2.90/kg so that the mixture be worth Rs. 3/kg? 2:3 3:2 1:2 2:1 TRUE ANSWER : ? YOUR ANSWER : ?
A solution of sugar syrup has 15 % sugar. Another solution has 5 % sugar. How many liter of the second solution must be added to 20 liters of the first solution to make a solution of 10 % sugar? 20 5 10 15 TRUE ANSWER : ? YOUR ANSWER : ?