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Questions(2178)

When $m+n$ is divided by $12,$ it leaves the remainder $8$ and when $m-n$ is divided by $12$ it leaves the remainder $6.$ What is the remainder when m×n is divided by $6\ ?$

view details (5 answers)A card out of a deck of 52 cards is lost. After that two cards are taken out at random and are found to be spades. What is the probability that lost card is a spade?

view details (1 answer)If we consider the permutation of 7 numbers then what is the order of 1457236?

view details (1 answer)Using the digit 2, 4 and 6, two digit number is formed, each digit being used only once. Find the probability that the number so formed is greater than 46.

view details (1 answer)An Engine length 1000 m moving at 10 m/s. A bird is flying from engine to end with $x$ kmph and coming back at $2x$. Take total time of bird traveling as 187.5 s. Find $x$ and $2x$

view details (1 answer)Three men start together to travel the same way around a circular track of $11$ km. Their speeds are $4,5.5$ and $8$ km/hr respectively. When will they meet at the starting point for the first time?

a) After $11$ hours

b) After $21$ hours

c) After $22$ hours

d) After $33$ hours

view details (1 answer)a) After $11$ hours

b) After $21$ hours

c) After $22$ hours

d) After $33$ hours