Start learning 50% faster. Sign in now
Get Started with ixamBee
Start learning 50% faster. Sign in nowTotal height of 15 students of the class = 160 × 15 = 2400 cm When 6 new students joined the class, average height of each student = 160 + 4 = 164 cm Total height of 31 students of the class = 164 × 31 = 3444 cm Average height of 6 new students who joined the class = {(3444 – 2400)/6} = 1044/6 = 174 cm
The length of the rectangle is triple its breadth. If the perimeter of the rectangle is 48 m, then find the area (in m2) of the rectangle.
Find the volume of a frustum of a cone with a height of 9 cm, the radius of the upper base as 4 cm, and the radius of the lower base as 6 cm. (Use π = ...
What will be come in place of (?) in the given number series.
2, 3, 5, 7, 11, ?, 17
The selling price of 8 shirts is the same as the cost price of 9 shirts. If each shirt is marked at 50% above its cost price, calculate the percentage d...
A biased coin shows heads with probability 0.3. If it is tossed 5 times, what is the probability of getting no more than 2 heads?
765 ÷ 25 × 100 ÷ 20 + 13 = x3 + 41, find 'x'
A can complete a work in 30 days, B in 24 days, and C in 20 days. A, B, and C work together for 5 days, after which B and C leave. How many more days wi...
Let sinA+ sinB = a and cosA+ cosB = b, then the value of a² + b² = ?
The sides of a triangle are 13 cm, 14 cm, and 15 cm. What is the radius of the circumcircle of this triangle?
The shortest distance between skew lines can be found using: