How many integers x satisfy |2x + 3 | < 6 ?
A. 1
B. 2
C. 6
D. 7
E. 8
Is it possible to reattempt questions of question bank? Like, "restart the test" ?
Two positive integers are in the ratio 7:9. If their highest common factor is 3, then what is the value of their least common multiple?
(A) 126(B) 189(C) 252(D) 315(E) 378
A perfect cake should have 25% cream and 75% bread. Oman bought material for a 5kg cake with 35% cream and 65% bread. How many more kg of bread should he buy if he wants to make a perfect cake?
A. 2kgB. 2.5kgC. 3kgD. 4kgE. 5kg
How many integer values of n satisfy the inequality |3 − n| ≤ 4?
A. 4B. 5C. 8D. 9E. 10
If a and b are both factors of 50, which of the following must be true?
(A) ab≥ 2(B) a + b≤ 50(C) ab is a factor of 100.(D) ab is a factor of 2500.(E) ab is even.
What is the range of the solutions to the equation |x^2 – 1| = 0 ?
A. 0B. 1C. 2D. 3E. 5
If a and b are real numbers such that the following expression is true.a^2+5b^2+4ab+3=6b−6
Find the value of a+b?
A. -6B. -3C. 0D. 3E. 6
The number of ordered pairs of positive integers (x, y) satisfying the equation 7x + 3y = 123 is:
A. 3B. 5C. 12D. 13E. Infinite
If x = -3, what is the value of -3x^2 ?
(A) -27(B) -18(C) 18(D) 27(E) 81