Question
In the question given below, a sentence is given,
divided into parts. One of the parts may contain an error. Identify the part that contains the error, and mark it as the answer. Ignore errors of punctuation. In case the sentence is correct as it is, mark option (e), that is, 'No error'. Note - The words in bold are grammatically and contextually correct. Mr. Cho is one of roughly two dozens South Korean honey bee farmers working in a six-mile-wide patchwork of rice paddies, forests, graveyards and firing ranges beside the 71-year-old DMZ.Solution
Solution In A, replace the plural number DOZENS with the singular number DOZEN. When a definite numeral adjective like TWO in this case is used before DOZEN, it cannot be pluralised. Thus, A is the right answer.
Consider two concentric circles having radii 17 cm and 15 cm. What is the length (in cm) of the chord, of the bigger circle, which is a tangent to the s...
If O is the orthocentre of ΔABC , if ∠ BOC = 105 0 then what is the measure of ∠ BAC?
In the given figure CD is parallel to AB then ∠y is?

If O is circumcentre of acute angled triangle ABC, if ∠ OBC = 150 then ∠BAC = ?
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The sides of a triangle are 10 cm, 17 cm, and 21 cm. Find the area of the triangle using Heronโs formula.
The radius of the incircle of a triangle is 8 cm. if the area of the triangle is 56 cm 2 , then its perimeter is?
The internal bisector of โABC at โ A cuts BC on D and cuts the circumcircle at E. If DE = 6cm, AC = 8cm and AD = 10 cm, then find the length of AB?
Find the area of triangle having sides 5 m, 6 m, and 9 m.