ad

Questions(2178)

Speed of a $300$ metre long train is $80$ km/hr.How much time does the train take to pass a bike of speed $62$ km/hr in the same direction?

view details (1 answer)How many permutation can be made taken $5$ toys from $10$ toys so that the two special toys are always be included? [Ans $6720$]

view details (1 answer)To reach a certain place A has to drive $10\%$ more distance than B. If B drives at the speed which is $20\%$ slower than A, determine the ratio of time taken by A to the time taken by the B to reach the destination

view details (1 answer)The area of a triangle is half the area of a square. The perimeter of the square is 224cm. What is the area of the triangle ?

view details (1 answer)There is a group of $5$ men, $1$ woman and $8$ children. $1$ man, $1$ woman and $1$ child are going to be selected to play the game. In how many ways can the selection be done?

view details (1 answer)The age of kiran is thrice the age of his brother the product of their age is $300$ years then the Kiran's present age is

(A) $30$ (B) $35$ (C) $40$ (D) $10$

view details (1 answer)(A) $30$ (B) $35$ (C) $40$ (D) $10$

A and B alone can do a work in $x$ and $y$ days respectively and C takes $\dfrac{2}{3}\text{rd}$ of total time taken by B to complete same work. If B works with half of it’s efficiency, then A and B can do $16\dfrac{2}{3}\%$ less than that of total work in $11$ days. If C works with half of it’s efficiency, then B and C can do $41\dfrac{2}{3}\%$ less than that of total work in $\dfrac{11}{2}$ days. Find time taken by A to complete total work.

view details (1 answer)A, B and C are three friends with different efficiencies. A working alone needs as much time as B and C working together, while B himself needs $8$ hours more working alone than when he works with C. A working alone needs $8$ hours less than B needs working alone. In how much time A, B and C working together can complete the job?

view details (1 answer)Out of $800$ boys, $224$ play cricket, $240$ play hockey, $336$ play basketball. Out of the total, $64$ play basketball and hockey, $10$ play cricket and basketball, $40$ play cricket and hockey, and $24$ play all games. How many don't play any game?

view details (1 answer)