Number System Find the smallest number which should be multiplied with 520 to make it a perfect square. 55 None of these 120 30 55 None of these 120 30 ANSWER DOWNLOAD EXAMIANS APP
Number System In how many different ways can the letters of the word FORMULATE be arranged ? 392880 362880 382880 372880 392880 362880 382880 372880 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP No. of letters = 9! = 9*8*7*6*5*4*3*2*1 = 362880
Number System Find the least number which when divided by 35 and 11 leaves a remainder of 1 in each case. 384 386 391 388 384 386 391 388 ANSWER DOWNLOAD EXAMIANS APP
Number System In how many different ways can the letters of word "COLLEGE" be arranged ? 1240 1280 1260 1300 1240 1280 1260 1300 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Number of ways = 7!/2!2! = 1260(∵ L and E come twice)
Number System Sum of two consecutive even terms lacks by 98 from their product. Find the sum of these number 18 32 None 24 18 32 None 24 ANSWER DOWNLOAD EXAMIANS APP
Number System What is the sum of all the composite numbers up to 20? 132 131 130 128 132 131 130 128 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 4 + 6 + 8 + 9 + 10 + 12 + 14 + 15 + 16 + 18 = 132
EXAMIANS