if px3+qx2-ax+b=2x3-3x2-4x=5 then values of p, q. a and b are respectively.
Correct answer: C. 2,- 3, 4, 5
- A. 2, 3, 5, 4
- B. 2, 3, 5, -4
- C. 2,- 3, 4, 5
- D. -2, 3, 4, -5
Explanation
Putting in 2, -3, 4,5 for values of p, q, a, and b respectively will make the right side of the equation the same as the left side allowing the equation to be correct for any value of x put in.
Last updated
About Quantitative Reasoning
Quantitative reasoning applies arithmetic and basic algebra to numerical relationships, including percentages, ratios, averages, fractions, proportions, profit and loss, rates, time, work and measurement. Questions focus on translating words into equations, choosing an efficient method and checking whether the result is numerically reasonable.
Practise Quantitative Reasoning
505 free Quantitative Reasoning MCQs from Analytical and Logical Reasoning, each with the correct answer and an explanation. Unlimited attempts, no account needed.
Exams that ask Analytical and Logical Reasoning questions like this
Analytical and Logical Reasoning is on 24 papers prepared for on TestUstad, and all of them draw the same bank, so this question is worth knowing for every one of them.
Related questions
(1/2x+1) + 5Which of the following is equivalent to the expression above for x > 0?
1/400 in percentage =
100 oranges are bought at the rate of Rs. 350 and sold at the rate of Rs. 48 per dozen. The percentage of profit or loss is:
100 oranges are bought at the rate of Rs. 350 and sold at the rate of Rs. 48 per dozen. The percentage of profit or loss is:
|14| * |-2|=?