Number System What is the least number that should be added to 5200 to make it a perfect square ? 275 129 288 225 275 129 288 225 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP We sec (73)² = 5329 and (72)² = 5184ie 5329 > 5200 > 5184So 129 should be added to make is perfect square.
Number System 5525 ÷ 17 = √? 112225 105625 99225 93025 112225 105625 99225 93025 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP √? = 5525/17 = 325∴ ? = (325)² = 105625
Number System If the L.C.M of two numbers is 750 and their product is 18750, find the H.C.F of the numbers. 30 25 125 50 30 25 125 50 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP H.C.F = (Product of the numbers) / (Their L.C.M) = 18750/750 = 25.
Number System In how many different ways can the letters of the word CORPORATION be arranged ? 1326400 None of these 2326400 3326400 1326400 None of these 2326400 3326400 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP CORPORATION = 11 letters 'O' comes thrice,'R' twice.∴ total no. of ways = 111/3121 = 3326400
Number System Complete the series : 1, 8, 27, 64, 125, 216 ..... 373 343 353 363 373 343 353 363 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 343
Number System Which one of the following represents the sum of the first n even numbers? N(N – 1) N2 N(N + 1) N2+ 1 N(N – 1) N2 N(N + 1) N2+ 1 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP N (N + 1)
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