Q1:

If $\frac{1}{3}$ of A = 60% of B $=\frac{2}{3}$ of C, then A : B : C is equal to:

Q2:

A sum of ₹ 12800 gives an interest of ₹ 3400 in ‘t’ years at the rate of interest $12\frac{1}{2}$% compounded annually. Find t.

Q3:

Paul invests money in three different schemes for 2 years, 4 years and 6 years at 8%, 10% and 12% simple interest respectively. After completion of each scheme he gets same interest. Find the ratio of his investments.

Q4:

A sum of Rs.5,000 is lent out in two parts, one at 5% simple interest and other at 3% simple interest. If the annual interest is Rs.204, find the sum lend out at 5%.

Q5:

The ratio of income of Atul and Amul is 4 : 5 and the ratio of their expenditure is 2 : 3. If they save Rs 5,000 & Rs 4,000 respectively, what is the income of Amul?

Q6:

The simple interest on a sum of money for 2 years at 8% is ₹ 800. The compound interest for the same sum at the same rate for 3 years will be approximately:

Q7:

If a : b : c = 1 : 2 : 3 and 3a + 4b – c = 24, find the value of b.

Q8:

45 men together can build a wall 80m long in 3 days. Find the number of men required to build the same wall at the same rate in 1 day.

Q9:

Find the number that can be added to each of the numbers 5, 7, 12, 15 to make them in proportion.

Q10:

If the compound interest on a certain sum is ₹ 520 for 2 years at $16\frac{2}{3}$% per annum, what will be the simple interest on that sum in 3 years at the same rate of interest?