Question
Each question in this portion has a sentence
with three parts (a), (b) and (c). Read each sentence to find out whether there is any error in any underlined part and indicate your response accordingly against the corresponding letter, i.e. (a), (b) or (c). If you find no error, your response should be indicated as (d).Solution
The correct answer is A
when x =4 and y =-6 then find the value of 27x³ +58x²y +31xy² +8y³?
Simplify the expression:
3x + 5y - [(7x + 3y) - (2x + y) + 4y] - xA man covered 40 km by bus and rest 25 km on foot. If the speed of the bus is 150% more than that of the man and the whole distance is covered in 2 hour...
If (6x + y) = 180 and 5x:2y = 25:12, then find the value of (2x² + 5y²).
If (a + b)2 = 18 + c2, (b + c)2 = 22 + a2 and (c + a)2 = 24 + b2, then find the va...
If both the roots of x 2 + kx + 49 = 0 are real and equal, then find the value of 'k'.
If √b + (1/√b) = 8, then find the value of b + (1/b).
- If x² - 2x + 1 = 0, then find the value of (x² + x⁻²)(x² + x⁻²).
- If a 3 + b 3 + c 3 = 62, abc = -6 and (a + b + c) = 5, then what is the value of ab + bc + ac?
- If (360 – 335 + 205) ÷ 10 + √1600 = x, then {(x/2) + 8} = ?