MEDIUM
9th CBSE
IMPORTANT
Earn 100

Deep draws the spiral of irrational numbers below on a paper.

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What is the length of OE in the spiral?

Important Questions on Number Systems

HARD
9th CBSE
IMPORTANT
Find the value of 15 by geometric method.
HARD
9th CBSE
IMPORTANT

Two persons started from a common point 0,0 in the figure below, with the same speed. One person X went along a straight line path to P, which is 25 m East and 32 km North.  The second person Y went due East. 

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To which of these positions person Y will be the closest when person X is at P?

HARD
9th CBSE
IMPORTANT
If 5-32+3=x+y3 then find values of x and y
HARD
9th CBSE
IMPORTANT

If 7+2327-5=c+p+q+r23  p<q<r where p, q, r are rational numbers, then q+r-p=

HARD
9th CBSE
IMPORTANT

If x=13+22, then the value of x-1x is