JEE Main Chemistry numerical 257: Enter the positive value of |6²−13|.
Correct Answer: 23
Explanation:
23
MCQ Collection
India MCQs
Practice India questions with answers and explanations.
JEE Main Chemistry numerical 258: Enter the area of a triangle with base 7 and height 18.
Correct Answer: 63
Explanation:
Area=½×7×18=63.0.
JEE Main Chemistry numerical 259: A sequence starts at 14 and each term is three times the preceding term. Enter the second term.
Correct Answer: 42
Explanation:
42
JEE Main Chemistry numerical 260: Evaluate 9(11+1).
Correct Answer: 108
Explanation:
9×12=108.
JEE Main Chemistry numerical 261: If the roots of z²−26z+160=0 are r and s, enter r+s.
Correct Answer: 26
Explanation:
Vieta gives r+s=26.
JEE Main Chemistry numerical 262: Enter the positive value of |11²−4|.
Correct Answer: 117
Explanation:
117
JEE Main Chemistry numerical 263: Enter the area of a triangle with base 12 and height 9.
Correct Answer: 54
Explanation:
Area=½×12×9=54.0.
JEE Main Chemistry numerical 248: Enter the area of a triangle with base 20 and height 19.
Correct Answer: 190
Explanation:
Area=½×20×19=190.0.
JEE Main Chemistry numerical 249: A sequence starts at 28 and each term is three times the preceding term. Enter the second term.
Correct Answer: 84
Explanation:
84
JEE Main Chemistry numerical 250: Evaluate 22(12+1).
Correct Answer: 286
Explanation:
22×13=286.
JEE Main Chemistry numerical 251: If the roots of z²−40z+391=0 are r and s, enter r+s.
Correct Answer: 40
Explanation:
Vieta gives r+s=40.
JEE Main Chemistry numerical 246: If the roots of z²−27z+162=0 are r and s, enter r+s.
Correct Answer: 27
Explanation:
Vieta gives r+s=27.