Q71 In a class, Vishal's rank is 11th from one side and 57th from other, find total students in the class.

Q72 There are 9 boys in between Ritwik and Yash. Ritwik is 13th from left and Vishal is 17th from right end in a row of boys. Then the number of boys in a row is?

Q73 If the two alphabets are J and L, find the difference between the square of numbers coressponding to their position.

Q74 In a series of 1 to 10 numbers, what is the difference of cube of 3rd number from right and 3rd number from left?

Q75 Akash ranks 27th in a class of 90 students. What is his rank from the last?

Q76 How many combinations of two digit numbers having 7 can be made from following numbers. 5 3 1 2 7?

Q77 If the total number of students in the class is 40, then what is Sakshi's rank from the bottom of the class, if Sakshi's rank from top is 12?

Q78 In a series of 5 to 15 numbers, what is the difference of squares of 5th number from right and 2nd number from left?

Q79 We have two alphabets P and J. What is the difference between the squares of the numbers corresponding to their position?

Q80 In a class of 80 students, Sanika's rank is 21st from the top. Vanskia's rank is 9 above Sanika. What is Vanskika's rank from the bottom?