Elitmus Exam Numerical Ability Arithmetic

In a certain examination paper, there are n questions. For j=1,2....n there are 2^(n-1) students with answer j or more questions wrongly. If total number of wrong answers is 4095 then the value of n is.......?

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Elitmus Other Question

If v,w,x,y and z are non negative integers, each less than 11, than how many distinct combination of (v,w,x,y,z) satisfy v(11^4) + w(11^3) + x(11^2) + y(11) + z=151001 AGE
* OAT
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SOAR
HOG
GOTO
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GECOIR


1-WHAT IS POSSIBLE VALUE OF A
(a) 3 ( b) 4 (c) 7 ( d) 9

2- WHAT IS A VALUE OF G+A+T+E
(a) 16 (b) 19 (c) 24 (d) 25