For the following questions answer them individually
A certain sum amounts to ₹6655 at 10% p.a. in 3 years. The compound interest on the same sum will amount to ₹$$x$$ at 1.5 tin1es the earlier rate in 2 years. If the interest is compounded annually in both cases, what is the value of $$x$$?
Sarita expected 720 marks but got 675 marks. She got 5% less marks than what she had expected. How many marks should she score to obtain 90% marks?
The value of $$7\frac{7}{15} \div \frac{4}{9} of \left(4\frac{7}{10} + 5\frac{1}{5}\right) + \left(\frac{2}{3} - \frac{4}{11}\right)$$ is:
A shopkeeper sold an article for ₹1716, after allowing a 12% discount on its marked price. If he had NOT allowed any discount, he would have earned a profit of 25%. What is the cost price (in ₹) of the article?
The average height of 35 students in a group is 156 cm. If 8 students of average height 154.5 cm leave the group and 13 students of average height 158 cm join the group, then what will be the average height (in cm) of all the students now in the group?
A person deposited ₹8,000 in a term deposit for 1 and a half year, which gives half yearly compound interest at a rate of 10% per amnun. The compound interest wi11 be:
A sum of ₹$$x$$ is divided among A, B and C such that the ratio of the shares of A and B is 3 : 4 and the ratio of the shares of A and C is 5 : 8. If the difference between the shares of B and that of C is ₹312, then the value of $$x$$ will be:
Pipes A and B can empty a tank in 15 hours and 18 hours, respectively. Pipe C alone can fill the tank in 6 hours. If all the three pipes are opened together, then two-third pan of the tank will be full after:
When , 176 is divided in the proponion 1 : 4 : 6, what is the difference between the largest share and the smallest share (in ₹)?