Elitmus Exam Numerical Ability Probability

What is the probabilty of obtaining a perfect square for 4-digit number...???

Read Solution (Total 2)

68/9000.denominator is 9000 from 1000 to 9999.and numerator is 68 from 32 to 99.
8 years agoHelpfull: Yes(35) No(1)

perfect square for 4-digit number starts from 32 and ends at 99. Total 4-digit numbers r 8999 starts from smallest 1000 to largest 9999.So total possible 4-digit nos.r 8999.Thus answer is 68/8999.
8 years agoHelpfull: Yes(3) No(14)

Elitmus Other Question

The digital sum of no is given as 1994 ie [1+9+9+4 = 23 then 2+3 =5]
unless we get a unit digit,
Find the number of perfect squares obtained in the digital sum from 2000 to 2199

optns r
22 42 16 nd may be d optns may be wrong but d ques is same There r 4 players Dhoni kohli raina and shikar and scored 71 runs each in 6 different innings.

Additional info
Kohli scored 22 runs in first 2 innings
Dhoni scored different runs in each innings
Raina scored 15 runs in his last innings
And all the 3 cricketers except dhoni scored the same run in 2 innnings

runs of 24 innings were given as

50 35 35 30 30 30 30 25 25 20 20 20 15 15 15 15 10 10 10 5 5 5 5 5 2 2 2 2 1

we need to arrange wich player scored wat run in each innings and answer accordingly

Find it very tough wid limited amount of information

questons were like

Who scored 50 runs
Who scored most multiples of 5
What was the final inning score of dhawan