The ratio of the present age of Manoj to that of Wasim is 3 : 11. Wasim is 12 years younger than Rehana. Rehana's age after 7 years will be 85 years. What is the present age of Manoj's father, who is 25 years older than Manoj?

43 years

67years

45 years

69 years

None of these

Correct Answer : A

8, 7, 11, 12, 14, 17, 17, 22, (__)

What is the number of digits in 48^{4} × 5^{12} ?

M, N, O and P divided `44352 among themselves. M took 3/8 th of the money, N took 1/6 of the remaining amount and rest was divided among O and P is the ratio of 3 : 4 respectively. How much did O get as his share?