Question
If (4y –1) and (y + 4) both are factors of py² + 15y
– q then:Solution
py² + 15y – q            … (1) given factor – (4y-1) (y+4)     Multiplying the two factors together 4y2+15y-4        … (2) Equation (2) compared with EQ (1). P =4, q =4 So, we can say that- P=q.
The ratio of the present ages of Ginni and Binni is 9:2 respectively. Ginni is ‘n’ years older than Binni. If after 5 years, the ratio of the ages o...
The ratio of age of ‘B’ after 7 years from now and age of ‘C’ 4 years ago from now is 7:4, respectively. The present age of ‘C’ is 30% of th...
At present Meena is eight times her daughter’s age. Eight years from now, the ratio of the ages of Meena and her daughter will be 9 : 2 respective...
The present age of ‘T’ is 36 years, which is 50% more than that of ‘U’. The average of present ages of ‘U’ and ‘V’ is 42 years. The pres...
Five years ago, the ratio of the age of Tarun to that of Ayush was 6 : 11. Umesh is 10 years older than Tarun. Umesh is ten years younger than Ayush. Wh...
The present ages of a father and his son are in the ratio 7 : 3. If 5 years ago the father was three times as old as his son, what is the sum of their p...
Pawan is 8 years younger than 'Qureshi' and 8 years older than 'Raju'. The current age ratio of 'Qureshi' to 'Raju' is 3:2. What ...
- Twelve years ago, Pawan's age was twice that of Qureshi. Thirteen years from now, the ratio of their ages will be 9:7. What is their current average age?
2n years ago, the age of Rahul was four times that of his son and n years ago, the age of Rahul was thrice that of his son. If n years later, the sum of...
In four years, the age ratio of 'X' and 'Y' will be 10:13, respectively. The current average age of 'Y' and 'Z' is 54 years, and the present average age...
Relevant for Exams:
