Question

Question Number 21 to 25 carry 2 marks each.
Q21. Use Distributive property of multiplication of rational numbers over addition to simplify:
$\frac{-5}{4} \times\left[\frac{8}{5}+\frac{16}{15}\right]$
Q22. The marks obtained (out of 20) by 30 students of a class in a test are as follows:
$14,16,15,11,15,14,13,16,8,10,7,11,18,15,14,19,20,7,10,13,12,$
$14 \times 15,13,16,17,14,11,10,20$
Prepare a frequency distribution table for the above data using class Intervals of equal width in which one class intervalis $4-8$.
Q23. Find the values of $x$ and $y$ in the following kite.
Q24. What is the least number that should be subtracted from 1385 to get a perfect square? Also find the square root of the perfect square.
Q25. The sum of three consecutive numbers is $156 .$ Find the number which is a multiple of 13 out of these numbers.

Answer 1

Answer:

This are tooo many questions bro can you ask 1 by 1