Perform the following steps listed below and check whether the answer is a multiple of 9?
Step-1 Choose a number between 100 and 1000
Step-2 Interchange its first and last digits to make another number
Step-3 Subtract the small number from the largest number
Step-4 Repeat step-2 for the number obtained in step-3
Step-5 Now add the numbers obtained in step-3 and step-4.
Try with some other starting number between 100 and 1000 and check whether the answer is a again a multiple of 9.
Step-1
Let I Choose 91
step-2
Interchange number 19
step-3
substracting 91-19=72
step-4
Repeating interchanging 27
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Find the point on the x-axis which is equidistant from (3,2) and (-5,-20)
Using the result C(n, r) + C(n, r -1) = C(n +1, r), computeC(8,5) +C(8,4) .
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i) B and T are never together
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1) 10 2) 11
3) 12 4) 14
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i) remains the same ii) increases by 5
iii) is multiplied by 5 iv) decreases by 5