3. AB = OP ( Diagonals of a rectangle ) OP = r = 36 Diameter = 2r = 72in

Hi Richa! PFA the solution .

Hello Richa , Here , OC = Altitude on AB = Sum of diameters of the circles + radius of the largest circle OC = 9 + 6 + 2 + 2/3 +..... = 9 + ( 6)/ ( 1-...

Hello Vernica , PFA the solution.

Let the time taken to travel the distance at the speed of 4km/hr be t hr . Now the speed of 3km is 3/4 of its previous speed , therefore the time t...

Alternate Approach : The distance is constant in the case . Now the speed of 24km/hr is 24/5 times of his walking speed. Therefore , the time taken w...

Hello Nancy! Distance travelled by the man in 3hr 36 min ( i.e 18/5 hours ) = (18/5) x 5 = 18 km . Hence , to travel 18km with the speed of 24km/hr ,...

Hello Apoorva! From the first statement : B < C , D < A , C < E From the second statement : A > F , A > G , F > D and G > F . ...

Hi Samyak 25! ( 1 + 26 + 26 × 27 + 26 × 27 × 28 + 26 × 27 × 28 × 29 × 30 ) 25! ( 1 + 26 + 26 × 27 + 26 × 27 × 28 + 26 × 27 × 28 × 29 × 30 )25! has 6 t...

Hello Samyak! X = Gold + Silver = 25x Y = Silver + Diamond = 12x Z = Diamond + Gold = 17x ( X + Y + Z ) = 2 ( Diamond + Gold + Silver ) = 54xDiamond ...

6% of the budget + 3000 = 9% of ( budget + 3000) 6% of the budget + 3000 = 9% of budget + 9% of 3000 3% of budget = 2730 Hence , Budget = 2730 x 100/3...

Hello Harsh , Check the last digit of the expression (47^47) - (13^13)47^47 ends with 3 and 13^13 also ends with 3 Hence the unit digit of (47^47) - ...

100 - (28 + 20 + 12) = 40% passed the exam 40% of Total students = 880100% = 2200

Hi Nancy! let the value of the machine at the start of first year was A. then according to question : A x 90/100 x 95/100 x 90/100 x 95/100 = 146205...

Hello Apoorva! 26. Growth of model 1 in 1990 is 20 x 9/100 = 21.8 similarly growth rates for model 2 is 15.6, model 3 is 10.8 and model 4 is 16.05 ...