Number System What is 50% of 40% of Rs. 3,450? 690 640 630 670 690 640 630 670 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 40% * 3450 = 1380then, 50 % * 1380 = 690
Number System [(18.6 x 4.5) + (7.8 ÷ 0.24)] ÷ 3.2 = ? 36.3125 26.3125 25.3125 46.3125 36.3125 26.3125 25.3125 46.3125 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = 83.7 + 32.5/3.2 = 116.2/3.2 = 36.3125
Number System 64% of 2650+40% 0f 320=? 1578 2096 1824 1247 1578 2096 1824 1247 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 1824
Number System If the sum of one-half of a number exceeds one-third of that number by 7 1/3, the number is: 18 15 20 30 18 15 20 30 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x. Then,(1/2 x + 1/5 x) - 1/3 x = 22/311/30 x = 22/3x = 20
Number System What least number shall be added to 4700 to make it a perfect square ? 61 71 81 91 61 71 81 91 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP (69)² = 4761 and (68)² = 4624Clerly 4624 < 4700 < 4761So 61 should be added to make 4700 a perfect square.
Number System If the sum of five consecutive even numbers A, B, C, D and E is 130, what is the product of A and E ? 780 840 720 660 780 840 720 660 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the consecutive even numbers be A = 2x, B = 2x + 2, C = 2x + 4, D = 2x + 6 and E = 2x + 8= A + B + C + D + E = 130= 10x + 20 = 130∴ x = 130 - 20/10 = 11Therefore, product of A and E= 22 x 30 = 660