For the following questions answer them individually
On dividing a number by 42, we get 120 as the quotient and 0 as the remainder. On dividing the same number by 41, what will be the remainder?
In a race around a circular track an athlete runs at 10 m/sec in the first round, at 20 m/sec in the second round and at 30 m/sec in the third round. Find his average speed (in m/sec) for the race. (correct to 2 decimal places)
The effective annual rate of interest corresponding to a nominal rate of 2% per annum, payable half-yearly, is:
An equilateral triangle of side 6 cm has its corners cut-off to form a regular hexagon.
What is the area of this regular hexagon?
The value of $$\left\{\left(6 + 4\right) + \left(12 \div 4 \times 2\right)\right\} + 1 \frac{1}{3} \times 9 \div 3 + 1\frac{2}{3}$$ is:
Three cubes of sides 5 cm, 4 cm and 3 cm are melted to form a new cube. Find the length of the diagonal of the new cube.
The selling price of 40 articles is equal to the cost price of 60 articles. Find the gain percentage.
Ramesh borrowed some money and agreed to pay-off by paying Rs.4,565 at the end of the first year and Rs.6,534 at the end of the second year. If the rate of compound interest is 10% per annum, find the amount borrowed by Ramesh.
Pankaj offers a cash discount of Rs.250 first and then two successive discounts of 8% and 5% on the sale of a chair. If the marked price of the chair is Rs.4,250, what is the final price of the chair for a customer after the given discount scheme?
The ages of A and B are in the ratio 5 : 8, respectively. After 8 years, the ratio of their ages will be 3 : 4. What is the sum of their present ages?