3 219 344 408 ? 443 444

4 + 44 + 444 + 44444 = ?

4 + 4.44 + 44.4 + 4.04 + 444 = ? (a)472.88 (b)495.22 (c)500.88 (d)577.2

4 + 444 + 4444 + 44444 = ?

4 + 44 + 444 + 4444 + 44444 = ?

Which set has the greater standard deviation : {1,2,3,4,6} or {441, 442, 443, 444, 445} ?

358 356 352 344 328 296 ?

What is value of (( 443 + 547)^(2) + ( 443 - 547) ^(2))/( 443 xx 443 + 547 xx 547) ?

[Q. Nos. 7-8] You have three forks A, B, and C Fork B has a frequency of 440 What A and B are sounded together a frequency of 3 Hz is heard. When B and C sounded together, the beat frequency is 4 Hz. The possible frequencies of C are: a) 437 Hz and 443 Hz b) 436 Hz and 444 Hz c) 436 Hz and 445 Hz d) 437 Hz and 444 Hz