Q3.

Vaidehi got 92% marks in an examination and Kavyanjali got 78% marks in the same examination. If the difference between the marks obtained by Vaidehi and Kavyanjali is 105, find the marks obtained by Vaidehi in the examination.

Q4.

If the signs ‘–’ and ‘×’ are interchanged, then which of the following equations can be correctly balanced?

Q5.

Select the number from among the given options that can replace the question mark (?) in the following series.

55, 63, ?, 343, 855, 1855