Question
In an equilateral triangle, the length of the side is 18
cm. A circle is inscribed in the triangle. Find the radius of the circle.Solution
For an equilateral triangle, the radius of the inscribed circle (r) is given by the formula: r = (side × √3) / 6. Substitute the value of the side (18 cm): r = (18 × √3) / 6 = 3√3 ≈ 5.2 cm.
5, 15, 30, 135, 405, 1215, 3645
Select the wrong term in the series.
7, 14, 42, 210, 1470, 17640
In the following question, select the wrong number from the given alternatives.
43, 50, 64, 85, 113, 138
Arrange the following words in a logical and meaningful order.
1. Monkey
2. Elephant
3. Rat
4. Fly
5. Lion
In the following question, select the wrong number from the given alternatives.
48, 50, 52, 57, 59, 68, 75
Find the wrong number in the series given below.
6, 19, 59, 182, 544, 1637
Find the wrong number in the series given below.
3, 10, 89, 99, 301, 908
In this question, one term in the number series is wrong. Find out the wrong term.
130, 135, 143, 154, 168, 183, 205
Find the wrong number in the given series.
5, 3, 6, 17.25, 64.75
Find out the Wrong number in the following number series.
2, 123, 204, 256, 278, 287
