For the following questions answer them individually
A shopkeeper bought 30 kg of rice at the rate of Rs. 70 per kg and 20 kg of rice at the rate of Rs. 70.75 per kg. If he mixed the two brands of rice and sold the mixture at Rs. 80.50 per kg, his gain is
Allowing 20% and 15% successive discounts, the selling price of an article becomes Rs. 3,060; then the marked price will be
Eighteen years ago, the ratio of A’s age to B’s age was 8:13 Their present ratios are 5 :7 What is the present age of A ?
729 ml of a mixture contains milk and water in the ratio 7 : 2. How much more water is to be added to get a new mixture containing milk and water in the ratio 7:3 ?
In certain years a sum of money is doubled to itself at 6 1/4 % simple interest per annum, then the required time will be
The length of the portion of the straight line 3x + 4y = 12 intercepted between the axes is
$$\frac{1}{\sqrt{7}-\sqrt{6}}-\frac{1}{\sqrt{6}-\sqrt{5}}+\frac{1}{\sqrt{5}-2}-\frac{1}{\sqrt{8}-\sqrt{7}}+\frac{1}{3-\sqrt{8}}$$ is
The population of a town increases by 5% every year. If the present population is 9261, the population 3 years ago was
A farmer travelled a distance of 61 km in 9 hrs. He travelled partly on foot at the rate of 4 km/hr and partly on bicycle at the rate of 9 km/hr. The distance travelled on foot is
Day-wise Structured & Planned Preparation Guide
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