Number System Sum of two numbers is 80. Greater number exceeds by 5 from four times of the smaller. Find the numbers? 62, 18 64, 16 60, 20 65, 15 62, 18 64, 16 60, 20 65, 15 ANSWER DOWNLOAD EXAMIANS APP
Number System Complete the series : 1, 2, 3, 5, 8, 13 .... 9 7 4 1 9 7 4 1 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 1
Number System Which one of the following represents the sum of the first n even numbers? N2 N(N – 1) N2+ 1 N(N + 1) N2 N(N – 1) N2+ 1 N(N + 1) ANSWER EXPLANATION DOWNLOAD EXAMIANS APP N (N + 1)
Number System The sum of the two numbers is 12 and their product is 35. What is the sum of the reciprocals of these numbers? 7/32 35/8 12/35 1/35 7/32 35/8 12/35 1/35 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the numbers be a and b. Then,a + b = 12 and ab = 35.(a + b)/ab = 12/35= (1/b + 1/a) = 12/35Sum of reciprocals of given numbers = 12/35.
Number System Find the least value of 3x + 4y if x2y3 = 6. 6 7 10 3 6 7 10 3 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 10
Number System 9 3/4 + 7 2/17 - 9 1/15 = ? 7 817/1020 9 719/1020 9 817/1020 7 719/1020 7 817/1020 9 719/1020 9 817/1020 7 719/1020 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Given sum = 9 + 3/4 + 7 + 2/17 - (9 + 1/15)= (9 + 7 - 9) + (3/4 + 2/17 - 1/15)= 7 + (765 + 120 - 68)/1020 = 7 817/1020
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