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. 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. 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. The total CP of two watches is Rs900 One is sold out 20% profit and other at a loss of 25% There is no gain and loss in whole transaction The CP of the cost in whole transaction on which the shopkeeper losses is
A) 400
B) 450
C) 500
D) 540
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