NTSE Stage 2 MAT 2019 Exam Question Paper

Question : 51 of 100

Marks: +1, -0

Find the values of ‘x’ and ‘y’ from the figure given below

Solution:

ATQ, we can use the formula

n(n-1)

4(4-1)=4×3=12

5(5-1)=5×4=20

7(7-1)=7×6=42

8(8-1)=8×7=56

9(9-1)=9×8=72

11(10-1)-11×10=110

13(13-1)=13×12=156

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