Mathematics
Assertion (A) : Refer the following algebraic expression in terms of one variable : 3x + 9, 9 - , 100. Two of them are not polynomials in x. Reason (R) : An algebraic expression is a polynomial if the power of each term used in it is a whole number. 1. Both A and R are correct, and R is the correct explanation for A. 2. Both A and R are correct, and R is not the correct explanation for A. 3. A is true, but R is false. 4. A is false, but R is true.
Related Questions
A and B complete a piece of work in 24 days. B and C do the same work in 36 days, and A, B and C together finish it in 18 days. In how many days will:
(i) A alone,
(ii) C alone,
(iii) A and C together, complete the work?
A and B can do a piece of work in 40 days, B and C in 30 days, and C and A in 24 days.
(i) How long will it take them to do the work, working together?
(ii) In what time can each finish it working alone?
A can do a piece of work in 10 days, B in 12 days and C in 15 days. All begin together but A leaves the work after 2 days and B leaves 3 days before the work is finished. How long did the work last?
Two pipes P and Q would fill an empty cistern in 24 minutes and 32 minutes respectively. Both the pipes being opened together, find when the first pipe must be turned off so that the empty cistern may be just filled in 16 minutes.