Let the speed of the goods train be ‘s’ km/hr Distance covered by goods train in 18 hrs = s x 18 km Distance covered by express train in 7 hrs = 7 x 126 km Distance covered by goods train in 18 hrs = Distance covered by express train in 7 hrs So, 18s = 7 × 126 ⇒ 18s = 882 ⇒ s = 882/18 = 49 So, Speed of goods train = 49 km/hr
A man completes 7/8 of a job in 21 days. How many more days will it take him to finish the job if quantum of work is further increased by 50%?
In a group of 120 persons, 80 are Indians and rest are foreigners. Further, 70 persons in the group can speak English. The number of Indians who can sp...
Using 2, 2, 3, 3, 3 as digits, how many distinct numbers greater than 30000 can be formed?
Consider the following statements in respect of two natural numbers p and q such that p is a prime number and q is a composite number :
1. p Ã...
A boy plays with a ball and he drops it from a height of 1-5 m. Every time the ball hits the ground, it bounces back to attain a height 4/5th of the pr...
Seven books P, Q, R, S, T, U are place side by side. R, Q and T have blue covers and other books have red covers. Only S and U are new books and the re...
What is the value of X in the sequence 2, 12, 36, 80, 150, X?
The number 3798125P369 is divisible by 7. What is the value of the digit P?
Consider the Question Statements given below and two Question : Is 2 brother of X?
Statement-1: X is a brother of Y and Y is a brother of Z. <...
