Naveen walking at a speed of 15 km/h reaches his office 20 minutes late. Next time he increases his speed by 5 km/h, but he finds he is still late by 5 minutes. What is the distance of his office from his house?
Let the distance be D. D/15 = T + 20/60 ……. (i) D/20 = T + 5/60 ……. (i) Form (i) and (ii) we get, D x 1/60 = 15/60 D = 15 km. Alternate method: Distance = Time gap× product of speeds/ gap of speed = 15 min×15×20/(20-15) = 15/60 hrs ×15×20/5 = 15 Km
Which of the following combination is true?
Who among the following live immediate below C?
Who among the following lives on Floor 2?
How many students appear for the exam along with D and A?
Who was born in March?
Which of the following box is at the top?
Who among the following lives on floor 2?
Who among the following live on the floors between the floors on which Ji-hu and Min-ho live?
...Who lives to the south east of F?
Five articles, Pen, Pencil, Lamp, Sharpener and Book, are kept one above the other (not necessarily in the same order). The Pen is four places above the...
