Test: Alphabet Test - 4 - Class 4 MCQ

If the position of the first and sixth digits of the number 2796543018 are interchanged, similarly the positions of the second and seventh digits are interchanged and so on, which of the following will be the left of seventh digit from the left end?

If it is possible to form a number which is a perfect square of a two digit odd number using the second, fourth, seventh digits of the number 739142658 using each only once, which of the following is the second digit of that two-digit odd number?

Which is the third number to the left of the number which is exactly in the middle of the following sequence of numbers?
1 2  3  4  5  6  7  8  9  2  4  6  8  9  7  5  3  1  9  8  7  6  5  4  3  2  1

In the following series of numbers, how many 1, 3, 7 have appeared together. 7 being in middle and 1, 3 on either side of? 
2  9  7  3  1  7  3  7  7  1  3  3  1  7  3 8  5  7  1  3  7  7  1  7  3  9  0  6

If the following series is written in the reverse order, which number will be fourth to the right of the seventh number from the left? 7, 3, 9, 7, 0, 3, 8, 4, 6, 2, 1, 0, 5, 11, 13

Which letter occurs twice in the three words of the above question?

Which letter occurs in IDEA and not in IDLE, but exists in DEAL?