JEE Main Chemistry numerical 253: Enter the area of a triangle with base 2 and height 10.
Correct Answer: 10
Explanation:
Area=½×2×10=10.0.
MCQ Collection
jee-main-paper-1 MCQs
Practice jee-main-paper-1 questions with answers and explanations.
JEE Main Chemistry numerical 254: A sequence starts at 18 and each term is three times the preceding term. Enter the second term.
Correct Answer: 54
Explanation:
54
JEE Main Chemistry numerical 255: Evaluate 4(3+1).
Correct Answer: 16
Explanation:
4×4=16.
JEE Main Chemistry numerical 256: If the roots of z²−13z+40=0 are r and s, enter r+s.
Correct Answer: 13
Explanation:
Vieta gives r+s=13.
JEE Main Chemistry numerical 257: Enter the positive value of |6²−13|.
Correct Answer: 23
Explanation:
23
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 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.
JEE Main Chemistry numerical 247: Enter the positive value of |19²−14|.
Correct Answer: 347
Explanation:
347
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.