Number System Supply the missing figure : 3, 11, 8, 16, 13 .... 18 28 12 18 21 28 12 18 21 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 21
Number System 5525 ÷ 17 = √? 93025 112225 105625 99225 93025 112225 105625 99225 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP √? = 5525/17 = 325∴ ? = (325)² = 105625
Number System A man engaged a servant on the condition that he would pay him Rs.710 and a uniform after a year service. He served only for 8 months and got Rs.460 and a uniform. Find the price of the uniform? Rs.40 Rs.30 Rs.20 Rs.25 Rs.40 Rs.30 Rs.20 Rs.25 ANSWER DOWNLOAD EXAMIANS APP
Number System If (83)² is subtracted from the square of a number, the answer so obtained is 8487. What is the number ? 146 163 124 179 146 163 124 179 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x Therefore, x² - (83)² = 8487x² = 8487 + (83)²x² = 8487 + 6889x² = 15376Therefore, x² = 15376 x = 124
Number System The product of two natural numbers is 17. Then, the sum of the reciprocals of their squares is: 1/289 289 289/290 290/289 1/289 289 289/290 290/289 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the numbers be a and b. Then,ab = 17, a = 1 and b = 17So, 1/a2 + 1/b2 = (a2 + b2)/a2 b2 = (12 + 172)/(1 * 17)2 = 290/289
Number System The sum of the squares of three numbers is 138, while the sum of their products taken two at a time is 131. Their sum is: 40 None of these 30 20 40 None of these 30 20 ANSWER DOWNLOAD EXAMIANS APP
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