JEE Main Mathematics drill numerical 825: Evaluate 22(14+1).
Correct Answer: 330
Explanation:
22×15=330.
MCQ Collection
India MCQs
Practice India questions with answers and explanations.
JEE Main Mathematics drill numerical 826: If the roots of z²−42z+437=0 are r and s, enter r+s.
Correct Answer: 42
Explanation:
Vieta gives r+s=42.
JEE Main Mathematics drill numerical 811: If the roots of z²−20z+96=0 are r and s, enter r+s.
Correct Answer: 20
Explanation:
Vieta gives r+s=20.
JEE Main Mathematics drill numerical 812: Enter the positive value of |9²−17|.
Correct Answer: 64
Explanation:
64
JEE Main Mathematics drill numerical 813: Enter the area of a triangle with base 10 and height 5.
Correct Answer: 25
Explanation:
Area=½×10×5=25.0.
JEE Main Mathematics drill numerical 814: A sequence starts at 21 and each term is three times the preceding term. Enter the second term.
Correct Answer: 63
Explanation:
63
JEE Main Mathematics drill numerical 815: Evaluate 12(15+1).
Correct Answer: 192
Explanation:
12×16=192.
JEE Main Mathematics drill numerical 806: If the roots of z²−7z+12=0 are r and s, enter r+s.
Correct Answer: 7
Explanation:
Vieta gives r+s=7.
JEE Main Mathematics drill numerical 807: Enter the positive value of |4²−9|.
Correct Answer: 7
Explanation:
7
JEE Main Mathematics drill numerical 808: Enter the area of a triangle with base 5 and height 14.
Correct Answer: 35
Explanation:
Area=½×5×14=35.0.
JEE Main Mathematics drill numerical 809: A sequence starts at 25 and each term is three times the preceding term. Enter the second term.
Correct Answer: 75
Explanation:
75
JEE Main Mathematics drill numerical 810: Evaluate 7(7+1).
Correct Answer: 56
Explanation:
7×8=56.