JEE Main Mathematics numerical 205: Evaluate 23(8+1).
Correct Answer: 207
Explanation:
23×9=207.
MCQ Collection
jee-main-paper-1 MCQs
Practice jee-main-paper-1 questions with answers and explanations.
JEE Main Mathematics numerical 206: If the roots of z²−37z+312=0 are r and s, enter r+s.
Correct Answer: 37
Explanation:
Vieta gives r+s=37.
JEE Main Mathematics numerical 207: Enter the positive value of |2²−18|.
Correct Answer: 322
Explanation:
322
JEE Main Mathematics numerical 195: Evaluate 13(9+1).
Correct Answer: 130
Explanation:
13×10=130.
JEE Main Mathematics numerical 182: Enter the positive value of |23²−12|.
Correct Answer: 517
Explanation:
517
JEE Main Mathematics numerical 183: Enter the area of a triangle with base 24 and height 17.
Correct Answer: 204
Explanation:
Area=½×24×17=204.0.
JEE Main Mathematics numerical 184: A sequence starts at 7 and each term is three times the preceding term. Enter the second term.
Correct Answer: 21
Explanation:
21
JEE Main Mathematics numerical 185: Evaluate 3(10+1).
Correct Answer: 33
Explanation:
3×11=33.
JEE Main Mathematics numerical 186: If the roots of z²−19z+60=0 are r and s, enter r+s.
Correct Answer: 19
Explanation:
Vieta gives r+s=19.
JEE Main Mathematics numerical 187: Enter the positive value of |5²−3|.
Correct Answer: 22
Explanation:
22
JEE Main Mathematics numerical 188: Enter the area of a triangle with base 6 and height 8.
Correct Answer: 24
Explanation:
Area=½×6×8=24.0.
JEE Main Mathematics numerical 189: A sequence starts at 20 and each term is three times the preceding term. Enter the second term.
Correct Answer: 60
Explanation:
60