Q1. 628, 429, 183, 249, 416 From the above sequence of given numbers, what is the sum of the unit digit of the third number from the left and the tens digit of the fourth number from the right?
A 3
B 5 Correct
C 7
D 6
Explanation
Count from the left in the given order: 628 is first, 429 is second and 183 is third. The unit digit of 183 is 3. Now count from the right: 416 is first, 249 is second, 183 is third and 429 is fourth. The tens digit of 429 is 2. Their sum is 3 + 2 = 5. The values 3, 7 and 6 come from either stopping after one digit or adding the wrong place value.