5th digit from the right is 7. 2nd digit from the left is 5. Their sum = 7 + 5 = 12 6 7 8 9 4 5 3 2 7 5 9 7 5 3 1 3
A cone has a slant height of 20 cm and the radius of its base is 15 cm. Find the volume of the cone
A solution contains 40% sugar and the rest water. After adding 25 liters of water, we get another solution where the percentage of sugar drops to 20%. T...
A Jar contains a mixture of orange juice and milk 35 and 28 Liters respectively. When the 'x' liter of the mixture is taken out and replaced with the sa...
A person invested 6,000 in a bank at compound interest compounded annually. After 3 years, the sum became 7,986. What was the rate of interest?
I. 3x² - 15x + 18 = 0
II. 2y² - 8y + 6 = 0
In triangle ABC, if the sides are a = 13 cm, b = 14 cm, and c = 15 cm, find the circumradius (R).
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...
Find the area of the triangle whose vertices are (3, 6), (– 3, 2) and (4, 1).
A person sells two items, X and Y. The marked prices of X and Y are 25% and 40% higher than their cost prices, respectively. After a 10% discount on bot...
In the figure, ABCD is a cyclic quadrilateral with O as center of the circle If ∠ BOC = 136°, find ∠ OBC.