Let R1 and R2 be the remainders when the polynomials f(x)=11x3+4x2−4ax−4 and g(x)=13x3+ax2−15x+3 are divided by (x+5) and (x+3) respectively. If 5R1+4R2−9=0, what is the value of a?
The area of a trapezium is 434 cm2 and the distance between its parallel sides is 28 cm. If one of the parallel sides is of length 11 cm, find the length of the other side.
Two circles with centres O and O′ intersect at two points A and B. A line PQ is drawn parallel to OO′ through A(or B) intersecting the circles at P and Q. Find the ratio PQ:OO′.
Find the conclusion by assuming following statements to be true (Statements may be contrary to the universal opinion). Statements : (i) All phones are toys (ii) All cats are phones. Conclusion?
Two candles have different lengths and thickness. The shorter lasts 9 hours and the longer 5 hours when both are lit simultaneously. If after 2 hours of their being lit together at the same time, both have the same length, then find the ratio of their original lengths.