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The correct answer is C
A boat covers 540 km upstream and downstream in 't' time. If the speed of the stream is 8 km/h and the speed of the boat is 10 km/h then find the value ...
If x = a(b - c), y = b(c – a) and z = c(a - b) , find the value of (x/a)3 + (y/b)3 + (z/c)3?
If (x + y) = 10 and xy = 21, then find the value of (x² + y²).
Which of the following statements is correct?
I. If x = 12, y = –2 and z = –10, then x³ + y³
+ z³ = 360
II. If x + y = 48 an...
(√ (sec2θ + cosec2θ )) ((sinθ (1 + cosθ ))/(1 + cosθ...
If x = (√13 + √12)/ (√13 - √12) and y = (√13 - √12)/(√13 + √12), then find the value of 4x2 – xy + 4y2.
...What is the value of (a² + b²+4c²- ab-2bc-2ca) (a + b+2c):
If 10% of 24% of x is 240, then x = ?
When 732 is divided by a positive integer x, the remainder is 12. How many values of x are there?
If a, b and c are integers such that a 2 + b 2 + c 2 = 228, a + b + c = 26 and b = c, then find the value of a?