How to find cube of a two digit number shortcut trick

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Geometry value putting trick

In an isosceles triangle ABC a circle passes through vertex B and touches mid-point of line AC at Q and intersects the side AB at P. Find AP: PB?

or it can be asked in this manner

ABC is an isosceles triangle in which AB = AC. A circle through B touches the side AC at D and intersect the side AB at P. If D is the midpoint of side AC, Then  Prove  AB = 4 AP.

1
A says to B when I was of your age i was three times of your age at that time  and sum of their present ages is 64 .find present Age of A?
Ans A = 40 ,B=24


 NOW Small variation in question


2
A says to B "I am twice as old as you were when I was as old as you are". The sum of their ages is 63 years. Find the difference of their ages ?
 ans 
A =36 ,B=27
difference =9

SSC CGL TIER 2 QUESTION

D and E are two points on the sides AC and BC respectively of triangle ABC such that DE = 18cm ,CE=5 cm and angle DEC = 90. If tan angle ABC =3.6, then AC:CD=


Video trick of this question

Video trick 

TIME AND WORK FOR CAT/SSC/BANK PO

1.  To do a certain work B would take 4 times as long as A and C together and C 3 times as long as A and B together. The three men together complete the work in 5 days. How long would take B and C to complete the work?

(a) 9  days                        (b) 11.11   days            (c) 26  days                        (d) 28  days

2.   To do a certain work B would take 2 times as long as A and C together and C 3 times as long as A and B together. The three men together complete the work in 16 days. How long would take B and C to complete the work?

(a)  27  days           (b) 27  days            (c) 27.42   days                     (d) 27 days

Check video trick for such questions

Video trick

In what ratio must a person mix three kinds of tea costing Rs.60/kg, Rs.75/kg and Rs.100 /kg so that the resultant mixture when sold at Rs.96/kg yields a profit of 20%?

1. 1 : 2 : 4
2. 3 : 7 : 6
3. 1 : 4 : 2
4. None of these

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STD special trick

After watching this video you will be able to crack such long questions in mind definitely

1.A person travels 300 km to his home , partly by train and partly by car . He takes 4 hours if he travels 60 km by train and the rest by car .He takes 4 hours 10 minutes if he travels 100 km by train and the rest by car .
 Find the speed of train and the train ?

2.Rohan travels 600 km from his home partly by train and partly by car. He takes eight hours if he travels 120 km by train and rest by car. he takes 20 minutes more if he travels 200 km by train and rest by car. find the speed of train and car.