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If 'a' and 'b' are the roots of the equation x2+P∗x+Q=0x2+P∗x+Q=0. What is the quadratic equation whose roots are 'a' and '-b' ?

dealer deals only in colour TVs and VCRs. He wants to spend up to Rs.12 lakhs to buy 100 pieces. He can purchase a colour TV at Rs.10,000 and a VCR at Rs.15,000. He can sell a colour TV at Rs.12,000 and a VCR at Rs.17,500. His objective is to maximize profits. Assume that he can sell all the items that he stocks.

Question 4

For the maximum profit, the number of colour TVs and VCRs that he should respectively stock are

A

80, 20

B

20, 80

C

60, 40

D

None of these

please some explain this in detail!

Jeff bought a watch from a wholesale dealer at 28% from the original price.He then sold the watch on ebay and earned a profit of 33.33 % even after giving a discount of 20%.How much percent would he have marked as compared to the original price of the watch?

A

10%

B

30%

C

20%

D

15%

Explanation

Assume the original price of watch as 100.
price at which Jeff bought = 72
price at which watch is sold = 72 + 33.33%72=96
thus marked price = 96/.8 = 120
∴the price has been marked up by 20% compared to the original price.

don't you guyz review your questions ...in questions it is said that Jeff brought watch at 28% of original price ..but in solution it is shown as he bought at discount of 28% ..

How is proficiency score calculated for the quant and verbal practice tests?

how to learn syllogism??? lam not understanding d method..

Eight persons of a family, A, B, C, D, E, F, G, and H are sitting around a circular table facing the centre but not necessarily in the same order. Each one of them holds a different profession, one of them is a teacher. It is also known that:
(i) G is sitting third to the left of an actor who is neither E nor A.
(ii) B is a scientist sitting to the right of E who is neither a lawyer nor a player.
(iii) C is neither an engineer nor an actor, the doctor and the engineer are sitting adjacent to each other. F is not adjacent to B.
(iv) The actor is neither opposite the scientist nor opposite C, who is adjacent to the businessman.
(v) D, who is neither a doctor nor an actor, sitting opposite to the player who is either F or E.
1. Who is the lawyer?
2. Who is sitting two places away to the left of the doctor?
3. Which of the following ia a correct combination of a person and his profession.
A. E - Actor
B. A - Teacher
C. D - Lawyer
D. G - Businessman
E. Both B and D.
4. Who is sitting opposite the teacher?
5. What is the Profession of H?

Which topics should I attempt in IBPS PO Prelims to clear the cutoffs?

Rs.558 is divided into 33 girls and 21 boys so that share of girl and boy is 5:1 then find the share of a girl ?

Question 1

It has been found that the number of ‘smart kids’ – 12 year olds who score more than 95% of their peers on mandatory school exam – has increased steadily over the last 5 years. Which of the following can be concluded based on the above statements?

A

There has been an improvement in primary education over the last 5 years

B

The number of ‘non-smart’ kids has decreased over the last 5 years

C

The number of kids taking the mandatory school exam has increased over the last 5 years

D

The number of smart kids has increased as a percentage of the total population of the country

Explanation

If there are 100 kids taking an exam, the number of students who scored more than 95% of their peers will be 5. If the total number of test-takers increases, then the number of people who scored more than 95% of their peers also increases. So, if the number of 12 year olds who scored more than 95% of their peers has increased, it means that the number of overall test-takers has increased. So, the conclusion that can be drawn from the above statements is that the number of kids taking the mandatory school exam has increased over the last 5 years. Option c) is the correct answer
please state assumption , inference clearly on this ques .

I am premium study room cracku student . you guyz have parajumbles with options . in cat options have been removed .. so what should I do if have to practice without option .