Number System On dividing number by 5, we get 3 as remainder. What will be the remainder when the square of this number is divided by 5? 1 2 0 4 1 2 0 4 ANSWER DOWNLOAD EXAMIANS APP
Number System 65 x 288 ÷ 52 = 1.8 x ? 180 200 190 210 180 200 190 210 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = 65x288/52x1.8 = 200
Number System The difference between 45% of a number and 18% of the same number is 145.8. What is 30% of that number ? 141 245 162 188 141 245 162 188 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x.45% of x - 18% of x = 145.8∴ x/100 (45 - 18) = 145.8∴ x = 145.8 x 100/27 = 540∴ 30% of 540 = 540 x 30/100 = 162
Number System What is the average of the following set of numbers ? 173, 192, 198, 204, 211, 223, 227 222 204 234 210 222 204 234 210 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Avg = 173 + 192 + 198 + 204 + 211 + 223 + 227/7 = 1428/7 = 204
Number System If 70% of an equal to 40% of b, then ratio between a and b is? None 7: 4 4: 7 7: 11 None 7: 4 4: 7 7: 11 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 70 a = 40 ba: b = 4: 7
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.
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