Elitmus Exam

6X106 ( X indicate=product hai ) number is given. How many possible numbers are there greater than 6X106 using 00,55,66,999 is given. ( repetition is not allowed )
a.180 b. 720 c. 520 d. (#)
(#) Sign shows that i am not able to remember it right now.

Read Solution (Total 2)

6*106=636
we can make greater than 636 only 3 digits & 4 digit no
3 digit- 3(3c1*2c1*2c1)=36
4 digit- 4(3c1*2c1*2c1*2c1)=576
total 576+36=612
11 years agoHelpfull: Yes(1) No(4)

plz anyone explain
11 years agoHelpfull: Yes(0) No(0)

Elitmus Other Question

Sub prime numbers X,Y,Z where, Sub prime num means p+1. p= prime number. X>Y>Z>100. Which would be the closet value of (XYZ) ??
a. XY(Z-1) b,c,d i am not able to remember it right now. A cricket is played in a Rhombus (all sides are equal) ground and the area of this field is 2400 m. The farthest distance is 80 m. and In this ground, Ice hockey is played in a circular field. Find the area of Ice field (Circular field ).
a.1000/pie b.4000/pie c. 2500/pie d.i am not able to remember it right now