Question Text
Question 1 :
The rational number $\frac{257}{5000}$ in the form $2^m × 5^n$ , where m, n are non-negative integers. Find the value of n.
Question 2 : <img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b19c6d273b230584979ad7.PNG' />
In the above fig, the perpendicular from A on side BC of a ∆ ABC intersects BC at D such that DB = 3 CD. Is $2AB^2$ = $2AC^2 + BC^2$ ?
Question 3 : <img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b19c47273b230584979aaa.PNG' />
In the above fig, if PQ || RS, Is ∆ POQ ~ ∆ SOR?
Question 4 :
A ladder 10 m long reaches a window 8 m above the ground. Find the distance of the foot of the ladder from base of the wall.
Question 5 :
A shuttle cock used for playing badminton has the shape of the combination of
Question 6 :
500 persons are taking a dip into a cuboidal pond which is 80 m long and 50 m broad. What is the rise of water level in the pond, if the average displacement of the water by a person is 0.04$m^3$?
