Advertisements
Advertisements
प्रश्न
Find the reciprocal of the following:
`20/51 xx 4/91`
Advertisements
उत्तर
Given, `20/51 xx 4/91`
= `(20 xx 4)/(51 xx 91)` ...`[∵ "Product of rational numbers" = "Product of numerators"/"Product of denominators"]`
= `80/4641`
Hence, the reciprocal of `80/4641` is `4641/80`.
APPEARS IN
संबंधित प्रश्न
Find the value of `(-2)/13 ÷ 1/7`.
Find the value of `(-7)/12 ÷((-2)/13)`.
Divide:
`(-5)/8 "by" 1/4`
Divide : −2 by `(-6)/(15)`
Which of the following rational numbers is equal to its reciprocal?
The reciprocal of `1/2` is ______.
If `p/q` is a rational number and m is a non-zero common divisor of p and q, then `p/q = (p ÷ m)/(q ÷ m)`.
Match the following:
| Column I | Column II |
| (i) `a/b ÷ a/b` | (a) `(-a)/b` |
| (ii) `a/b ÷ c/d` | (b) –1 |
| (iii) `a/b ÷ (-1)` | (c) 1 |
| (iv) `a/b ÷ (-a)/b` | (d) `(bc)/(ad)` |
| (v) `b/a ÷ (d/c)` | (e) `(ad)/(bc)` |
Find the product of:
`(-22)/11` and `(-21)/11`
If 12 shirts of equal size can be prepared from 27 m cloth, what is length of cloth required for each shirt?
