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When distance travelled is same, then average speed = 2ab/(a + b) (where 'a' and 'b' are two different speeds) . Therefore, required average speed = (2 x 75 x 45) ÷ (75 + 45) = (6,750/120) = 56.25 km/h
Which of the following is true regarding E as per the given seating arrangement?
How many persons are sitting between N and M (When counted from left of M)?
Six students (U, V, W, X, Y and Z) sit in a linear row facing south in a classroom but not necessarily in the same order. One person sits between U and ...
How many persons sit between K and P?
Harman, Sunil, Varun, Naman and Bhavesh are arranged in descending order of the height from the top. Harman is at third place. Bhavesh is between Naman ...
Who among the following person sits fourth to the left of P?
Four of the following five are alike in a certain way and hence form a group. Find the one who doesn’t belong to that group?
Which of the following statement(s) is/are false?
I. Only one person sits between P and the one who likes Blueberry when counted left of P.
<...Who sits 3rd to the right of T?
Five articles, H, I, J, K and L, are kept one above the other (not necessarily in the same order). H is just above L and just below K. I is just above J...
