Number System Two-third of a positive number and 25/216 of its reciprocal are equal. The number is: 25/144 144/25 5/12 12/5 25/144 144/25 5/12 12/5 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x. Then,2/3 x = 25/216 * 1/xx2 = 25/216 * 3/2 = 25/144 x = 5/12
Number System If (72)² is subtracted from the square of a number, the answer thus obtained is 4617. What is the number ? 99 92 95 103 99 92 95 103 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP x² - (72)² = 467Therefore, x² = 4617 + 5184Therefore, x² = 9801 Therefore, x = 99
Number System Three numbers are in ratio of 3: 4 :5. If the sum of first & third numbers is more than second number by 52, which will be largest number? 23 34 65 78 23 34 65 78 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 65
Number System In a division sum, the divisor is 10 times the quotient and 5 times the remainder. If the remainder is 46, the dividend is: 6890 9865 5336 2568 6890 9865 5336 2568 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 5336
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. 507250 Rs. 549250 Rs. 519850 Rs. 536250 Rs. 507250 Rs. 549250 Rs. 519850 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Total cost of plot= 650 x 6500 = 4225000Booking amount = 13% of (4225000) = 4225000 x 13/100 = 549250
Number System Ratio between two numbers is 3: 4 and their sum is 420. Find the smaller number? 180 240 140 160 180 240 140 160 ANSWER DOWNLOAD EXAMIANS APP
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