Question
In a row of students, the position of Vineeta from the
left side of the row is 26th and the position of Vineeta from the right side of the row is 23rd. Find the total number of students in the row?Solution
Total number of students = (Position from left) + (Position from right) - 1 Total number of students = 26 + 23 - 1 Total number of students = 49 - 1 Total number of students = 48 So, there are 48 students in the row.
A person borrows ₹5000 at 12% per annum simple interest. He repays ₹3200 at the end of 2 years. How much does he still owe after 2 years?
- A discount of 20% was offered on a product. If the product was marked 75% above the cost price, find the profit percentage.
What is the primary purpose of an operating system in a computer system?
In a right triangle, the sides are in the ratio 3:4:5. A circle is inscribed in the triangle. What is the area of the triangle covered by the circle?Â
If cos A = 4/5 and A is an acute angle, find the value of 3 tan A + 4 sec A.
A and B invested ₹50,000 and ₹75,000, respectively, in a business. After 6 months, A withdrew ₹10,000, and B added ₹25,000. At the end of the ye...
The derivative of y = eË£ · cos(x) isÂ
Find the distance between points A(2, 3) and B(7, 8).
If the homogeneous system of equations
x + y + z = 0
2x + 3y + 4z = 0
has a non-trivial solution, then the value of k is:
3x + 5y + kz = 0
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