A. 1
B. 10
C. 121
D. 1000
If x varies as y2 + 2 and is equal to 36 when y = 4, find x when y = 12.
Find the number of solutions in positive integers (k; a1, a2, . . . , ak; b1, b2, . . . , bk) to the equation a1(b1) + a2(b1 + b2) + · · · + ak(b1 + b2 + . . . + bk) = 7
Find the number of triplets of real numbers (x, y, z) which satisfy (x + y)3 = z (y + z)3 = x (z + x)3 = y
If (c – 5) = 4c – 7, then which of the following could be the value of c?
Evaluation of 83 × 82 × 8-5 is:
The factors of x2 + xy − 2 xyz −2z are:
If 7s + 2e = 14 and s – 2e = 5, then what is the value of s?
If a=b2-b,b34,then a2 -2a is always divisible by
If x + y > 4 and x < 3, then y > 1 is true. Is this statement true?
If x3+ ax2+bx +6 has (x – 2) as a factor and leaves a remainder 3 when divided by (x – 3), the value of a and b respectively are