How much is a + 2b - 3c greater than 2a - 3b + c?

How much is a^2-3a greater than 2a^2+4a ? (A) a^2-7a (B) a^2+7a (C) -a^2-7a (D) a^2+7a

How much is a^2-3a greater than 2a^2+4a ? (A) a^2-7a (B) a^2+7a (C) -a^2-7a (D) a^2+7a

Choose the correct answer to the following questions. (i) The letters A, B, C, D, E, F and G not necessarily in that order, stand for seven consecutive integers from 1 to 10. (ii) Dis 3 less than A. (iii) B is the middle term. (iv) F is as much less than B as C is greater than D. (v) G is greater than F. An integer T is as much greater than C as C is greater than E. T can be written as A+ E. What is D?

Choose the correct answer to the following questions. (i) The letters A, B, C, D, E, F and G not necessarily in that order, stand for seven consecutive integers from 1 to 10. (ii) Dis 3 less than A. (iii) B is the middle term. (iv) F is as much less than B as C is greater than D. (v) G is greater than F. The greatest possible value of C is how much greater than the smallest possible value of D?

The age of B is 50% greater than the age of A. The age of C is 20% less than the age of B. By how much percentage the age of C is greater than the age of A.

a is greater than b by 2 and b is greater than c by 10. If a+b+c=130, then (b+c)-a=? (a) 34 (b) 38 (c) 42 (d) 44 (e) None of these

If the roots of the equation b x^2+""c x""+""a""=""0 be imaginary, then for all real values of x, the expression 3b^2x^2+""6b c x""+""2c^2 is (1) greater than -4ab (2) less than 4ab (3) greater than 4a b (4) less than - 4a b