Number System If (74)² is added to the square of a number the answer so obtained is 7780. What is the number ? 50 48 49 47 50 48 49 47 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x.or, x² + (74)² = 7780or, x² = 7780 - 5476 = 2304∴ x = 48
Number System 7.8 x 4.5 x 4.2/0.14 = ? 1087 1012 1053 1032 1087 1012 1053 1032 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 7.8 x 4.5 x 4.2/0.14 = 1053
Number System Ratio between two numbers is 3: 4 and their sum is 420. Find the smaller number? 240 180 140 160 240 180 140 160 ANSWER DOWNLOAD EXAMIANS APP
Number System 5525 ÷ 17 = √? 112225 93025 99225 105625 112225 93025 99225 105625 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 50 125 25 30 50 125 25 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP H.C.F = (Product of the numbers) / (Their L.C.M) = 18750/750 = 25.
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