Number System ?125÷5x ?=6265 124 1253 153 1452 124 1253 153 1452 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 1253
Number System What is the sum of all the prime numbers from 20 to 40? 119 118 117 120 119 118 117 120 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 23 + 29 + 31 + 37 = 120
Number System If one-seventh of a number is 55 then 40% of that number = ? 163 147 171 154 163 147 171 154 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the no. be x , Therefore, x/7 = 55Therefore, x = 55 x 7 = 385Therefore, 49% of 385 = 154
Number System Supply the missing figure : 2, 6, 12, 20, 30 ... 56 42 40 39 41 42 40 39 41 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 42
Number System Three seventh of a number is 12 more than 40% of that number. What will be the 60% of that number? 148 248 126 210 148 248 126 210 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 3/7 x – 40/100 x = 12x = 35 * 1235 * 12 * 60/100 = 252/2 = 126
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? 12/35 7/32 1/35 35/8 12/35 7/32 1/35 35/8 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.
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