1
JEE Main 2020 (Online) 2nd September Evening Slot
Numerical
+4
-0
If the variance of the terms in an increasing A.P.,
b1 , b2 , b3 ,....,b11 is 90, then the common difference of this A.P. is_______.
Your input ____
2
JEE Main 2020 (Online) 7th January Evening Slot
Numerical
+4
-0
If the mean and variance of eight numbers 3, 7, 9, 12, 13, 20, x and y be 10 and 25 respectively, then x.y is equal to _______.
Your input ____
3
JEE Main 2020 (Online) 7th January Morning Slot
Numerical
+4
-0
If the variance of the first n natural numbers is 10 and the variance of the first m even natural numbers is 16, then m + n is equal to_____.
Your input ____
JEE Main Subjects
EXAM MAP
Joint Entrance Examination
JEE MainJEE AdvancedWB JEE
Graduate Aptitude Test in Engineering
GATE CSEGATE ECEGATE EEGATE MEGATE CEGATE PIGATE IN
Medical
NEET