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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?
How many permutation can be made taken $5$ toys from $10$ toys so that the two special toys are always be included? [Ans $6720$]
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
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 ?
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?
$32,34,36,\_,62,94$ find the missing no.
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) $10$
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.
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?
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?