Quantitative Aptitude
The circumference of a circle is equal to the perimeter of an equilateral triangle. If the radius of the circle is 84 cm, then what will be the length of each side of the equilateral triangle?\( \text{use } \pi = \frac{22}{7} \)
To make a certain journey, a distance of 10 km is travelled on foot in 3 hours, a distance of 120 km is travelled by car in 3 hours, and a distance of 70 km is travelled by scooter in 4 hours. What is the average speed of the total journey?
What is the LCM of the fractions \(\frac{2}{3}\), \(\frac{8}{15}\) and \(\frac{4}{27}\)?
\( \frac{8}{3} \)
\( \frac{12}{3} \)
\( \frac{3}{8} \)
\( \frac{24}{7} \)
What is the value of \( [1000 + 300 - \{500 \div 5 + 100\} \times 4] \)?
B1 and B2 can do a piece of work together in 8 days, B2 and B3 can do the same work together in 16 days, while B1 and B3 can do it together in 32 days. What percentage of the total work can all the 3 people, working together, do in 4 days?
The ratio of three numbers is \( \frac{1}{4} : \frac{5}{6} : \frac{1}{3} \) respectively. If the sum of the numbers is 68, what is the value of \( \frac{1}{3} \) of the first number?
If an electricity bill is paid before the due date, one gets a reduction of 2 per cent on the amount of the bill. By paying the bill before the due date, Rajiv got a reduction of ₹40 and Ravina got a reduction of ₹80. What is the sum of the electricity bills of Rajiv and Ravina?