MBA
Exam
Find the 10s digit of 1! + 2! + 3!.....30! Please share the approach as well .... 1) 1 2) 2 3) 5 4) None of these
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MBA Other Question
a,b,c and d are positive numbers such that b^9 = a^8, c^6 = d^7 and d-b = 473, then find c-a 1) 1675 2) 1565 3) 1735 4) Cannot be determined
∆ABC inscribed in a circle C, has its sides in the ratio 1 : 2 : √5. Find the ratio of the radius of the incircle of ∆ABC to that of its circumcircle? 1) 1/5(3√5 - 5) 2) √5 + 1/2 3) 2√5 - 3/5 4) Can’t be determined