Number System 50% of 8/15 of 9/4 of 5/3 of 333 = ? 666 444 555 333 666 444 555 333 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 50% of [8x9x5/15x4x3 x 333]= 50% of 666= 333
Number System √343 = ? 21 18 20 19 21 18 20 19 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = √343 = 18
Number System A canteen requires 17 dozen of eggs per week. How many eggs will it require from January 1 to February 11 ? 820 525 987 1224 820 525 987 1224 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Number of days from Jan 1 to Feb 11th= 31 + 11 = 42 days = 6 weeks∴ Total eggs =17 x 12 x 6 = 1224
Number System 3251 + 587 + 369 - ? = 3007 1375 1200 1300 1250 1375 1200 1300 1250 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let 4207 - x = 3007 Then, x = 4207 - 3007 = 1200
Number System √2304 x √? = 2832 3681 3581 3381 3481 3681 3581 3381 3481 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP √2304 x √? = 2832= 48 x √? = 2832= √? = 2832/48 = 59∴? = 59 x 59 = 3481
Number System A bag contains four red, six black and seven green balls. Three balls are drawn randomly. What is the probability that the balls drawn contain exactly two red balls ? 45/340 58/340 39/340 51/340 45/340 58/340 39/340 51/340 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Total balls = 4 + 6 + 7 = 17∴ n(S) = 17C1 = 680Two red balls can be selected from four red balls in 4C2 = 6 ways.and the third ball can be selected from the remaining 13 balls in 13C1 = 13 ways.∴ P (E) = 13x6/680 = 39/340
EXAMIANS