Home
Class 7
MATHS
Solve the following equations: (a) 10p=1...

Solve the following equations: (a) `10p=100` (b) `10p+10=100` (c) `p/4=5` (e) `(3p)/4=6` (f) `3s=-9` (g) `3s+12=0` (h) `3s=0` (i) `2q=6` (j) `2q-6=0` (k) `2q+6=0` (l) `2q+6=12`

Text Solution

Verified by Experts

(a) `10p=100`
dividing both sides by 10
we get `(10p)/10=100/10`
`p=10`

b)`10p+10=100`
`10p=100-10`
`10p=90`
...
Doubtnut Promotions Banner Mobile Dark
|

Topper's Solved these Questions

  • SIMPLE EQUATIONS

    NCERT ENGLISH|Exercise SOLVED EXAMPLES|10 Videos
  • SIMPLE EQUATIONS

    NCERT ENGLISH|Exercise EXERCISE 4.3|3 Videos
  • SIMPLE EQUATIONS

    NCERT ENGLISH|Exercise EXERCISE 4.4|3 Videos
  • RATIONAL NUMBERS

    NCERT ENGLISH|Exercise EXERCISE 9.2|4 Videos
  • SYMMETRY

    NCERT ENGLISH|Exercise EXERCISE 14.2|2 Videos

Similar Questions

Explore conceptually related problems

Solve the following equations. (a) 4=5(p-2) (b) -4=5(p-2) (c) -16=-5(2-p) (d) 10=4+3(t+2) (e) 28=4+3(t+5) (f) 0=16+4(m-6)

Factorise the following expressions. (i) p^2 + 6p +8 (ii) q^2-10q+21 (iii) p^2+6p-16

In Fig.88 P R is a straight line and /_P Q S :/_S Q R=7: 5. The measure of /_S Q R is (a) ( b ) (c) (d) (e) 60^(( f )0( g ))( h ) (i) (j) (b) ( k ) (l) 62 (m) (n) (o)1/( p )2( q ) (r)^(( s )0( t ))( u ) (v) (w) (c) ( d ) (e) 67 (f) (g) (h)1/( i )2( j ) (k)^(( l )0( m ))( n ) (o) (p) (d) ( q ) (r) (s) (t) 75^(( u )0( v ))( w ) (x) (y)

Two complementary angles are in the ratio 2: 3. The measure of the larger angle is (a) ( b ) (c) (d) (e) 60^(( f )0( g ))( h ) (i) (j) (b) ( k ) (l) (m) (n) 54^(( o )0( p ))( q ) (r) (s) (c) ( d ) (e) (f) (g) 66^(( h )0( i ))( j ) (k) (l) (d) ( m ) (n) (o) (p) 48^(( q )0( r ))( s ) (t) (u)

Two supplementary angles are in the ratio 3: 2. The smaller angle measures (a) ( b ) (c) (d) (e) 108^(( f )0( g ))( h ) (i) (j) (b) ( k ) (l) (m) (n) 81^(( o )0( p ))( q ) (r) (s) (c) ( d ) (e) (f) (g) 72^(( h )0( i ))( j ) (k) (l) (d) ( m ) (n) (o) (p) 68^(( q )0( r ))( s ) (t) (u)

In Fig.99, A B C D\ a n d\ E F is a transversal intersecting AB and CD at P and Q respectively. The measure of /_D P Q is (a) ( b ) (c) (d) (e) 100^(( f )0( g ))( h ) (i) (j) (b) ( k ) (l) (m) (n) 80^(( o )0( p ))( q ) (r) (s) (c) ( d ) (e) (f) (g) 110^(( h )0( i ))( j ) (k) (l) (d) ( m ) (n) (o) (p) 70^(( q )0( r ))( s ) (t) (u)

The electronic configuration of the following elements K 19 , Mn 25 , Ca 20 are given. K 19 = 1s 2 2s 2 2p 6 3s 2 3p 6 4s x Mn 25 = 1s 2 2s 2 2p 6 3s 2 3p 6 3d 5 4s y Ca 20 = 1s 2 2s 2 2p 6 3s 2 3p 6 4s z The product of x, y, and z is:

Name the element with the following electronic configurations . (a) 1s^(2)2s^(2) 2p^(6) 3s^(2) 3p^(1) (b) 1s^(2) 2s^(2) 2p^(6) 3s^(2) 3p^(6) 4s^(1)

In Fig.103, P Q R S\ a n d\ /_P A B=60^0\ a n d\ /_A C S=100^0dot Then, /_B A C= (a) ( b ) (c) (d) (e) 40^(( f )0( g ))( h ) (i) (j) (b) ( k ) (l) (m) (n) 60^(( o )0( p ))( q ) (r) (s) (c) ( d ) (e) (f) (g) 80^(( h )0( i ))( j ) (k) (l) (d) ( m ) (n) (o) (p) 50^(( q )0( r ))( s ) (t) (u)

Elements A, B, C, D and E have the following electronic configurations: A: 1s^(2) 2s^(2) 2p^(1) B: 1s^(2) 2s^(2) 2p^(6) 3s^(2) 3p^(1) C: 1s^(2) 2s^(2) 2p^(6) 3s^(2) 3p^(2) D: 1s^(2) 2s^(2) 2p^(6) 3s^(2) 3p^(5) E: 1s^(2) 2s^(2) 2p^(6) 3s^(2) 3p^(6) 4s^(2) Which among these will belong to the same group in the periodic table?