In a row of girls, the position of Radhika is 38th from the left side of the row, and the position from the right side of the row is 19th. Find the total number of girls in that row.

একটি সারিতে মেয়েদের মধ্যে, রাধিকার অবস্থান বাম দিক থেকে 38তম এবং ডান দিক থেকে 19তম। সারিতে মোট কতজন মেয়ে আছে?

If the second half of the given series is reversed, then what will be the fifth term to the left of the ninth term from the right?

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Study the following series of numbers and answer the question given below. Each number is a single-digit number. Counting should be done only from left to right.

(Left Side) 9 1 5 1 9 8 6 6 9 9 4 1 6 7 8 3 7 2 1 3 5 3 5 1 6 2 8 (Right Side)

How many even numbers are there in the above series, each of which is immediately preceded by an odd number and immediately followed by an odd number?

Study the following series of numbers and answer the question given below. Each number is a single-digit number. Counting should be done only from left to right.

(Left Side) 9 1 5 7 3 8 2 6 4 5 7 2 9 3 6 8 1 4 7 5 2 6 9 1 8 3 5 7 4 2 (Right Side)

How many 7’s are there in the above series such that the number immediately before it is even and the number immediately after it is odd?

Study the following series of numbers and answer the question given below. Each number is a single-digit number. Counting should be done only from left to right.

(Left Side) 5 8 2 7 4 9 6 3 1 8 7 2 5 9 4 6 8 1 3 7 2 4 9 5 8 6 1 7 3 2 (Right Side)

How many 8’s are there such that the number immediately before it is odd, and the difference between the numbers immediately before and after it is greater than 3?