A person has to travel from point A to point B in certain time. Travelling at a speed of 5 km/h he reaches 48 min late
Let the distance between A and B = x km,
According to question,
x/5-x/8 = (48+15)/60
⇒ 8x-5x / 40 = 63/60
⇒3x/40 = 63/60
⇒x = 63×40/60×3
⇒x = 14km
A started a business. After 4 months from the start of the business, B and C joined. The respective ratio between the investments of A, B and C was 4:6 :5. If A's share in annual profit was INR 250/- more than C's share, what was the total annual profit earned
Directions (next five questions) : In these questions, two equations numbered I and II are given. You have to solve both the equations and mark the appropriate option
I. x2 = 16
II. 2y2-17y+36=0
I. 3x2-13x+12 =0
II. 2y2-15y+28=0
I. 2x2+19x+45 = 0
II. 2y2+11y+12 = 0
Present age of Bob is equal to Abby's age 8 years ago, Four years hence, the respective ratio between Bob's age and Abby's age will be 4:5 at that time. What is Bob's present age