Question
If a person walks 6 m from point P towards east to reach
point Q and he turns to his right and walks 8 m to reach point R. Again he turns to his left and walks 15 m to reach point S and finally he turns to his left and walks 8 m to reach point T. What is the shortest distance between point Q and point S?Solution
Shortest distance between Q and S = √8² + 15² = √64 + 225 = √289 = 17 m.
Find the rate of simple interest at which Rs. 6000 should be invested for 2 years so that the interest earned will be same as the interest received when...
- A sum of Rs. 1,500 is invested at a simple interest rate of 10% per annum for 18 months. If the interest earned is Rs. 'q', find the value of (q - 15).
A certain sum when invested for 3 years in a scheme offering simple interest of 20% p.a. gives an interest of Rs. 1470. What is 130% of the sum invested?
The difference of simple interest from two banks on Rs. 8,000 in 3 years is Rs. 800. If the rate of interest per annum in two banks is R1 and R2, then w...
The ratio of investment of A and B is 6:7 respectively. If the rate of interest for both A and B is 12% p.a and time duration for A and B is 5 years and...
- The average current age of Vivek, Raj and Aman is 35 years, and the average age of Raj and Aman is 40 years. If Vivek is 6 years younger than Aman, find th...
A man invested a certain amount of sum at 15% per annum simple interest and earned an interest of Rs.2100 after 2 years. If the same amount is invested ...
If ₹5,000 is invested at an annual interest rate of 8% compounded quarterly, at what time will it grow to ₹5,202?
- An amount was invested at a simple interest rate. After 6 years, it amounted to (126/108) times the amount it had reached in 4 years. What is the rate of i...
Rs. 6,600 is invested in scheme ‘A’ offering simple interest of 13% p.a. and Rs. 2500 in scheme ‘B’ offering simple interest of 4% p.a. What is ...