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3) is","choices":[{"text":"n(2n - 1)","value":"A"},{"text":"(2n - 1)","value":"B"},{"text":"n - 1","value":"C"},{"text":"n","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":124442,"question":"","questionImage":"124442_636351126593323431-RQ.jpg","choices":[{"text":"3/8","value":"A"},{"text":"7/8","value":"B"},{"text":"1/8","value":"C"},{"text":"None","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":124441,"question":"","questionImage":"124441_636351125438356041-RQ.jpg","choices":[{"text":"<sup>n</sup>C<sub>r</sub>","value":"A"},{"text":"<sup>n+1</sup>C<sub>r+1</sub>","value":"B"},{"text":"<sup>n</sup>C<sub>r+1</sub>","value":"C"},{"text":"None","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":124440,"question":"If (1+x-2x<sup>3</sup>)<sup>6</sup>= 1+a<sub>1</sub>x + a<sub>2</sub>x<sup>2</sup>+ a<sub>3</sub>x<sup>3</sup>+ ..... the the value of a<sub>2</sub>+ a<sub>4</sub>+ a<sub>6</sub>+ .....+a<sub>12</sub>will be","choices":[{"text":"32","value":"A"},{"text":"31","value":"B"},{"text":"64","value":"C"},{"text":"1024","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":124439,"question":"The greatest integer which divides the number 101<sup>100</sup>- 1 is","choices":[{"text":"100","value":"A"},{"text":"1000","value":"B"},{"text":"10000","value":"C"},{"text":"100000","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":124438,"question":"If (1+x)<sup>n</sup>=C<sub>0</sub>+ C<sub>1</sub>x +C<sub>2</sub>x<sup>2</sup>+ ......+C<sub>n</sub>x<sup>1</sup>then C<sub>0</sub>C<sub>2</sub>+ C<sub>1</sub>C<sub>3</sub>+ C<sub>2</sub>C<sub>4</sub>+ .....+C<sub>n-2</sub>C<sub>n</sub>=","choices":[{"text":"","img":"124438_636351117554770230-RA1.jpg","value":"A"},{"text":"","img":"124438_636351117554770230-RA2.jpg","value":"B"},{"text":"","img":"124438_636351117554770230-RA3.jpg","value":"C"},{"text":"","img":"124438_636351117554770230-RA4.jpg","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":124312,"question":"","questionImage":"124312_636350487404504467-RQ.jpg","choices":[{"text":"ab=-1","value":"A"},{"text":"ab = 1","value":"B"},{"text":"ab = 2","value":"C"},{"text":"None","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":124311,"question":"If the 4th term in the expansion of (px + x<sup>-1</sup>)<sup>m</sup>is 2.5 for all x<span style=\"color: rgb(34, 34, 34); font-family: &quot;Times New Roman&quot;; font-size: 24px; text-align: center; background-color: rgb(255, 255, 248);\"><i>∈ R, then</i></span>","choices":[{"text":"","img":"124311_636350485344357356-RA1.jpg","value":"A"},{"text":"","img":"124311_636350485344357356-RA2.jpg","value":"B"},{"text":"","img":"124311_636350485344357356-RA3.jpg","value":"C"},{"text":"","img":"124311_636350485344357356-RA4.jpg","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":124310,"question":"The greatest term in the expansion of (3+2x)<sup>9</sup>, when x=1 is","choices":[{"text":"4th","value":"A"},{"text":"4th and 5th","value":"B"},{"text":"5th","value":"C"},{"text":"6th","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":124309,"question":"The sum of co-efficient in (1+x-3x<sup>2</sup>)<sup>4163</sup>is","choices":[{"text":"0","value":"A"},{"text":"1","value":"B"},{"text":"-1","value":"C"},{"text":"None","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":124308,"question":"Digit in the unit place of the number 183! + 3<sup>183</sup>","choices":[{"text":"7","value":"A"},{"text":"6","value":"B"},{"text":"3","value":"C"},{"text":"0","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":124307,"question":"If the expansion of (1 + x)<sup>20</sup>, then co-efficient of rth ad (r + 4)th term are equal, then r is","choices":[{"text":"7","value":"A"},{"text":"8","value":"B"},{"text":"9","value":"C"},{"text":"10","value":"D"},{"value":"E"}],"correctAnswer":3}]