Std-10 Most Imp Ch 12 Gseb L-8

L-12 to L-13

In a Std. X class, out of 40 students, 10 students use spectacles, 2 students have positive power and 8 students have negative power and 8 students have negative power of lenses in their spectacles . Generally which type of spectacles do most of the students use ?

22 10 8 12 40 ?

The median of the data 13, 12, 10, 8, 4, 6, and 15 is 10.

R is a relation from {11, 12, 13} to {8, 10, 12} defined by y=x-3 . Then, R^(-1) is (a) {(8, 11), (10, 13)} (b) {(11, 8), (13, 10)} (c) {(10, 13), (8, 11), (8, 10)} (d) none of these

If R is a relation from set A={11 , 12 , 13} to set B={8, 10 , 12} defined by y=x-3, then write R^(-1)dot A. {(8,11),(10,13)} B. {(8,11),(10,12)} C. {(10,13),(10,11)} D. none of these ANSWER: A

Class 10 Board 2024 | Complete Grammar in 1 Video ?| All Concepts Explanation | All Imp. Questions

If 4 + 5 = 41 and 10 +12 = 244, then 6 + 8 =? यदि 4+5 = 41 और 10+12 = 244, तो 6+8 =?