Number System If the sum of the two numbers is 22 and the sum of their squares is 404, then the product of the numbers is: 44 80 88 40 44 80 88 40 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the numbers be x and y. Then, (x + y) = 22 and x2 + y2 = 404 Now, 2xy = (x + y)2 - (x2 + y2) 2xy= 222 - 404 = 484 - 404 = 80xy = 40
Number System (√6 + 1)² = ? + 2√6 6 5 8 7 6 5 8 7 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = (√6 + 1)² - 2√6= (√6)² + 2 x √6 + 1 + 1² - 2√6= 6 + 2√6 + 1 - 2√6 = 6 + 1 = 7
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. 507250 Rs. 549250 Rs. 519850 Rs. 536250 Rs. 507250 Rs. 549250 Rs. 519850 Rs. 536250 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Total cost of plot= 650 x 6500 = 4225000Booking amount = 13% of (4225000) = 4225000 x 13/100 = 549250
Number System Find the least number when successively divided by 2, 3 and 7 leaves remainders 1, 2 and 3 respectively? 65 67 75 61 65 67 75 61 ANSWER DOWNLOAD EXAMIANS APP
Number System If HKUJ means FISH, what does UVCD mean ? STAM STAK STAR STAB STAM STAK STAR STAB ANSWER EXPLANATION DOWNLOAD EXAMIANS APP STAB
Number System The difference of two numbers is 1365. On dividing the larger number by the smaller, we get 6 as quotient and 15 as remainder. What is the smaller number? 360 270 240 295 360 270 240 295 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the smallest number be x.Then larger number = (x + 1365)x + 1365 = 6x + 15= 5x = 1350 x = 270Smaller number = 270.