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Math Tricks: Part 4 /20 100 most important math tricks series

Math Tricks: Part 4 /20 100 most important math tricks series

Math Tricks: Part 4 /20 100 most important math tricks series

Q16. Two equal circles of radius 4 cm intersect each other such that each passes through the centre of the other. The length of the common chord is :

(a) 

(b) 

(c) 

(d) 8 cm

Q17. If the length of the three sides of a triangle are 6 cm,8 cm and 10 cm, then the length of the median to its greatest side is:

(a) 8 cm

(b) 6 cm

(c) 5 cm

(d) 4.8 cm

Q18. Two chords AB and CD of a circle with centre O intersect at the point P, If  and  then  is equal to:

(a) 

(b) 

(c) 

(d) 

Q19. If the angle of elevation of the Sun changes from ,the length of the shadow of a pillar decreases by 20 metres, The height of the pillar is:

(a) 

(b)

(c)

(d)

important math tricks
Q20. A container contains 60 kg of milk. From this container 6 kg of milk was taken out and replaced by water. This process was repeated further two times. The amount of milk left in the container is:

(a) 34.24 kg

(b) 39.64 kg

(c) 43.74 kg

(d) 47.6 kg

Important math tricks : Solution : For video lecture solution click here

Math Tricks: Part 4 /20 100 most important math tricks series

 

 

Click here : Part 1 

Click here : Part 2

Click here : Part 3

 

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