Number System Find the number, when 15 is subtracted from 7 times the number, the result is 10 more than twice of the number 4 15 7.5 5 4 15 7.5 5 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x.7x -15 = 2x + 10 => 5x = 25 => x = 5
Number System 106 * 106 - 94 * 94 = ? 1904 1906 2400 2000 1904 1906 2400 2000 ANSWER DOWNLOAD EXAMIANS APP
Number System If (17)3 is subtracted from the square of a number, the answer so obtained is 2143. What is the number ? 81 84 83 82 81 84 83 82 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP x² - (17*17*17) = 2143or x² = 2143 + 4913 = 7056∴ x = 84
Number System (4.6 x 2.8 x 5.5) - (3.2 x 4.5 x 2.8) = ? 28.56 27.54 29.81 30.52 28.56 27.54 29.81 30.52 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = (4.6 x 2.8 x 5.5) - (3.2 x 4.5 x 2.8) = 70.84 - 40.32 = 30.52
Number System A plot of 650 sq ft is available at the rate of Rs 6500 per sq ft. If 13% of the total cost of the plot is to be paid for booking the plot, what is the booking amount, (in Rs) ? Rs. 536250 Rs. 549250 Rs. 519850 Rs. 507250 Rs. 536250 Rs. 549250 Rs. 519850 Rs. 507250 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Total cost of plot= 650 x 6500 = 4225000Booking amount = 13% of (4225000) = 4225000 x 13/100 = 549250
Number System What will be the next number in the following number series ? 191 162 182 177 191 162 182 177 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 1² + 1, 3² + 3, 5² + 5, 7² + 7
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