Number System In how many different ways can the letters of word "SENTENCE" be arranged ? 3260 2360 6460 3360 3260 2360 6460 3360 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Number of ways = 8!/3! 2! = 40320/12 = 3360
Number System (95.6x 910.3) ÷ 92.56256 = 9? 12.24 15.54 14.44 13.34 12.24 15.54 14.44 13.34 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 13.34
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. 519850 Rs. 536250 Rs. 549250 Rs. 507250 Rs. 519850 Rs. 536250 Rs. 549250 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 In a two-digit number, if it is known that its unit's digit exceeds its ten's digit by 2 and that the product of the given number and the sum of its digits is equal to 144, then the number is: 24 26 42 46 24 26 42 46 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the ten's digit be x. Then, unit's digit = x + 2. Number = 10x + (x + 2) = 11x + 2 Sum of digits = x + (x + 2) = 2x + 2 (11x + 2)(2x + 2) = 144 2x2 + 26x - 140 = 0 (x - 2)(11x + 35) = 0 x = 2Hence, required number = 11x + 2 = 24.
Number System When 102 is reduced from a number, the number gets reduced by 88%. What is that number ? 650 750 550 850 650 750 550 850 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 850
Number System If the difference between the squares of two consecutive numbers is 47, what is the smaller number ? 26 23 24 25 26 23 24 25 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the numbers be (x + 1) and x.Therefore, (x + 1)² - x² = 47x² + 2x + 1 - x² = 472x + 1 = 47Therefore, x = 46/2 = 23
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