Question
A motor-cycle covers 130 km with a speed of 50 km/hr.
find the speed of the motor-cycle for the next 130 km journey so that the average speed of the whole journey will be 75 km/hr.Solution
Average speed of whole journey = 75 km/hr Using the formula, average speed = 2xy/(x + y)  x = speed of first 130 km = 50 km/hr 75 = 2 x (50 x y)/(50 + y) = 150 km/hr
If all the letters in the word ‘UNDERGROUND’ are arranged in alphabetical order from left to right such that the vowels are arranged first followed ...
Which of the following Colour is liked by G?
Who among the following person sits second to the right of M?
What is the position of P with respect to the person who paid Rs. 550?
Which of the following is true?
Who likes Star Maa channel?
What is the position of E with respect to D?
Read the directions carefully and answer the following question.
Six people, R, S, T, U, V and W are sitting around a circular table facing to...
Statements:
B ≥ L = C; N ≤ L < O; Q ≥ N < R
Conclusions:
I. B > N
II. N = B
Who sits second to the right of Z?
Relevant for Exams:
