Question
This question consists of a sentence which is divided into
four parts numbered (1) to (4). Only one part of the sentence is not acceptable in standard written English. Identify the part which contains an error.Solution
The preposition "since" is used with a specific point in time (e.g., "since 2018"), while "for" is used to indicate a duration (e.g., "for five years"). The correct phrase should be "for five years" instead of "since five years."Corrected Sentence: "She is working as a teacher in this school for five years."
If 2x + y = 15 and xy = 18, then the value of (4x² - y²)
- If (x – 12) 3  + (x – 5) 3  + (x – 7) 3  = 3(x – 12)(x – 5)(x – 7) then find the value of (x 2 �...
If 125x3Â - 64y3Â = (Ax + By) (Dy2Â - Cx2Â + 20xy) , then the value of A + C - 2B + 3D is:
Rs. 25200 is invested in 3 parts in such a way that Simple Interest on 1st Part at 4% per annum for 3 years, Simple Interest on 2nd
[a/(2a²  + 5a + 2)] = 1/6 , then find the value of (a+1)/a ?
- Find the value of the expression {(4096) n /4  × 8 3n + 1 }/{(512) n  × 8 n – 1 }.
Find the number in place of ?
6, 14, 26, ?, 106, 214
If 5x - 13xy + 6y = 0, find x : y.
- If (510 – 486 + 240) ÷ 8 + √2500 = x, then {(x/2) + 18} = ?
(288 ÷ 8)² × (144 ÷ 24)³ = 24 × ? × (51840 ÷ 20)