Q. In a staircase there are 4 Steps.A person can jump one step,2 steps,3 steps or all 4 steps.In how many ways can be reach the top?
A) 2
B) 4
C) 6
D) 7
Q. In how many ways can 4 ladies and 4 men form two mixed doubles teams for a tennis match?
A) 72
B) 108
C) 36
D) 84
Q. Oranges can be packed in sets of 10 oranges in box type A or 25 oranges in box type B. A carton comprising of 1000 oranges of type a and b is packed. How many different combinations are possible in the number of type A and type B boxes while organizing the oranges?
A)  21  
B)  20  
C) 19  
D) 18
Q. The first 5  odd natural numbers are written in every possible order.How many numbers can be formed if no repetition is allowed and what is their sum?
A) 5!,6666600
B) 51,6666
C) 51,55555
D) None of these
Today Challenging Question
Q. If a boat is moving in upstream with velocity of 14 km/hr and goes downstream with a velocity of 40 km/hr, then what is the speed of the stream ?
A) 13 km/hr
B) 26 km/hr
C) 34 km/hr
D) none of these
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