Question
361Â + 362Â + 363Â +
364Â is divisible by which number?Solution
361 + 362 + 363 + 364 = 361(1 + 3 + 9 + 27) ⇒ 361(40) = 361*8*5
The ratio of three numbers is 7:2:5, and their squared values add up to 1248. Identify the largest number among them.
In a circle, two tangents PA and PB are drawn from an external point P such that the angle ∠APB = 60°. If the radius of the circle is 10 cm, find th...
A hexagonal prism has a base edge of 4 cm and a height of 10 cm. What is the total surface area of the prism?
If logâ‚“(81) = 4/3, find x.
{√676.12 + 13.012 – 146.89 } = ?
Disk access time is measured in ____________.
'P' sold an item at a profit of 40%. If the cost price of the item had been Rs. 150 less and its selling price had been Rs. 30 mo...
If the angles of a triangle are (x + 25) degrees, (x + 59) degrees and '10x' degrees, then what is the value of '7x'?
A regular hexagon is inscribed in a circle of radius 10 cm. Find the perimeter of the hexagon.
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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